Tests: Fix some space-related flake8 warnings

Change-Id: I9b0ad08839bf1246620c557ec304dfa90882907b
Reviewed-by: Christian Tismer <tismer@stackless.com>

126 files changed, 409 insertions, 172 deletions

diff --git a/sources/pyside6/tests/QtWidgets/action_clear.py b/sources/pyside6/tests/QtWidgets/action_clear.py
index ae5a6988b..f9f416a9c 100644
--- a/sources/pyside6/tests/QtWidgets/action_clear.py
+++ b/sources/pyside6/tests/QtWidgets/action_clear.py
@@ -77,5 +77,6 @@ class TestQActionLifeCycle(UsesQApplication):
         toolBar.clear()
         self.assertTrue(self._actionDestroyed)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/add_action_test.py b/sources/pyside6/tests/QtWidgets/add_action_test.py
index 1465f5a99..1260f4e17 100644
--- a/sources/pyside6/tests/QtWidgets/add_action_test.py
+++ b/sources/pyside6/tests/QtWidgets/add_action_test.py
@@ -74,6 +74,7 @@ class AddActionTest(UsesQApplication):
         action.activate(QAction.Trigger)
         self.assertTrue(widget.isChecked())
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/api2_test.py b/sources/pyside6/tests/QtWidgets/api2_test.py
index cd60d8a4d..c71de90d3 100644
--- a/sources/pyside6/tests/QtWidgets/api2_test.py
+++ b/sources/pyside6/tests/QtWidgets/api2_test.py
@@ -45,11 +45,13 @@ from PySide6.QtWidgets import QWidget, QSpinBox, QApplication
 
 from helper.usesqapplication import UsesQApplication
 
+
 class WidgetValidatorQInt(QWidget, QIntValidator):
     def __init__(self, parent=None):
         QWidget.__init__(self, parent)
         QIntValidator.__init__(self, parent)
 
+
 class WidgetValidatorQSpinBox(QSpinBox):
     def __init__(self, parent=None):
         QSpinBox.__init__(self, parent)
@@ -57,6 +59,7 @@ class WidgetValidatorQSpinBox(QSpinBox):
     def fixup(self, text):
         print("It was called!")
 
+
 class DoubleQObjectInheritanceTest(UsesQApplication):
 
     def testDouble(self):
@@ -64,7 +67,7 @@ class DoubleQObjectInheritanceTest(UsesQApplication):
 
         obj = WidgetValidatorQInt()
 
-        #QIntValidator methods
+        # QIntValidator methods
         state, string, number = obj.validate('Test', 0)
         self.assertEqual(state, QValidator.Invalid)
         state, string, number = obj.validate('33', 0)
@@ -77,11 +80,12 @@ class DoubleQObjectInheritanceTest(UsesQApplication):
         obj.setValue(0)
         self.assertEqual(obj.value(), 1)
 
+
 class QClipboardTest(UsesQApplication):
 
     def testQClipboard(self):
-        #skip this test on MacOS because the clipboard is not available during the ssh session
-        #this cause problems in the buildbot
+        # skip this test on macOS because the clipboard is not available during the ssh session
+        # this cause problems in the buildbot
         if sys.platform == 'darwin':
             return
         clip = QApplication.clipboard()
@@ -91,5 +95,6 @@ class QClipboardTest(UsesQApplication):
         self.assertEqual(subtype, "plain")
         self.assertEqual(text, "Testing this thing!")
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/application_test.py b/sources/pyside6/tests/QtWidgets/application_test.py
index 95f36f671..2fea0286b 100644
--- a/sources/pyside6/tests/QtWidgets/application_test.py
+++ b/sources/pyside6/tests/QtWidgets/application_test.py
@@ -41,6 +41,7 @@ from testbinding import TestObject
 from PySide6.QtWidgets import QApplication
 from PySide6 import __all__ as all
 
+
 class QApplicationInstance(unittest.TestCase):
 
     def appDestroyed(self):
@@ -61,6 +62,7 @@ class QApplicationInstance(unittest.TestCase):
         #     self.assertEqual(app1, qApp)
         app1.destroyed.connect(self.appDestroyed)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/bug_1002.py b/sources/pyside6/tests/QtWidgets/bug_1002.py
index 3bf85e718..ab9cee147 100644
--- a/sources/pyside6/tests/QtWidgets/bug_1002.py
+++ b/sources/pyside6/tests/QtWidgets/bug_1002.py
@@ -39,6 +39,7 @@ from PySide6.QtWidgets import QWidget, QPushButton
 
 from helper.usesqapplication import UsesQApplication
 
+
 class TestBug1002 (UsesQApplication):
     def testReturnWindow(self):
         widget = QWidget()
@@ -50,5 +51,6 @@ class TestBug1002 (UsesQApplication):
 
         del widget
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_1006.py b/sources/pyside6/tests/QtWidgets/bug_1006.py
index 96231ddc3..7aaff11c1 100644
--- a/sources/pyside6/tests/QtWidgets/bug_1006.py
+++ b/sources/pyside6/tests/QtWidgets/bug_1006.py
@@ -41,6 +41,7 @@ from PySide6.QtWidgets import QDialog, QLabel, QGridLayout, QHBoxLayout, QWidget
 
 from helper.timedqapplication import TimedQApplication
 
+
 class LabelWindow(QDialog):
     def __init__(self, parent):
         super().__init__(parent)
@@ -51,7 +52,6 @@ class LabelWindow(QDialog):
         self.setLayout(self.test_layout)
         self._destroyCalled = False
 
-
     def replace(self, unit):
         old_item = self.test_layout.itemAtPosition(0, 0)
         old_label = old_item.widget()
@@ -69,6 +69,7 @@ class LabelWindow(QDialog):
     def _destroyed(self, obj):
         self._destroyCalled = True
 
+
 class TestBug1006 (TimedQApplication):
 
     def testLayoutItemLifeTime(self):
@@ -113,5 +114,6 @@ class TestBug1006 (TimedQApplication):
         widget.setObjectName("MyWidget")
         self.assertEqual(sys.getrefcount(widget), 3)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_1077.py b/sources/pyside6/tests/QtWidgets/bug_1077.py
index 4c35e16bb..8aed4e6f5 100644
--- a/sources/pyside6/tests/QtWidgets/bug_1077.py
+++ b/sources/pyside6/tests/QtWidgets/bug_1077.py
@@ -47,6 +47,7 @@ class Highlighter(QSyntaxHighlighter):
         super().__init__(parent)
         self.tstamp = time.time()
 
+
 if __name__ == "__main__":
     app = QApplication([])
     python = QTextEdit()
diff --git a/sources/pyside6/tests/QtWidgets/bug_243.py b/sources/pyside6/tests/QtWidgets/bug_243.py
index 9a551b88d..dea27888c 100644
--- a/sources/pyside6/tests/QtWidgets/bug_243.py
+++ b/sources/pyside6/tests/QtWidgets/bug_243.py
@@ -39,6 +39,7 @@ init_test_paths(False)
 
 from PySide6.QtWidgets import QApplication, QMainWindow, QLayout
 
+
 class QAppPresence(unittest.TestCase):
 
     def testBug(self):
@@ -47,5 +48,6 @@ class QAppPresence(unittest.TestCase):
         l = window.layout()
         self.assertTrue(isinstance(l, QLayout))
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_307.py b/sources/pyside6/tests/QtWidgets/bug_307.py
index 19da5148e..92b0a5973 100644
--- a/sources/pyside6/tests/QtWidgets/bug_307.py
+++ b/sources/pyside6/tests/QtWidgets/bug_307.py
@@ -40,8 +40,8 @@ from PySide6.QtCore import SIGNAL
 from PySide6.QtWidgets import QPushButton, QApplication
 
 
-class Test (QApplication) :
-    def __init__(self, argv) :
+class Test (QApplication):
+    def __init__(self, argv):
         super().__init__(argv)
         self._called = False
 
@@ -57,5 +57,6 @@ class QApplicationSignalsTest(unittest.TestCase):
         button.click()
         self.assertTrue(app._called)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_324.py b/sources/pyside6/tests/QtWidgets/bug_324.py
index 2f59b6c23..b3336923f 100644
--- a/sources/pyside6/tests/QtWidgets/bug_324.py
+++ b/sources/pyside6/tests/QtWidgets/bug_324.py
@@ -41,8 +41,8 @@ from PySide6.QtCore import QObject, Signal
 from PySide6.QtWidgets import QApplication
 
 
-class QBug( QObject ):
-    def __init__(self, parent = None):
+class QBug(QObject):
+    def __init__(self, parent=None):
         QObject.__init__(self, parent)
 
     def check(self):
@@ -50,6 +50,7 @@ class QBug( QObject ):
 
     done = Signal(str)
 
+
 class Bug324(unittest.TestCase):
 
     def on_done(self, val):
@@ -63,5 +64,6 @@ class Bug324(unittest.TestCase):
         bug.check()
         self.assertEqual(self.value, 'abc')
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_338.py b/sources/pyside6/tests/QtWidgets/bug_338.py
index 329a6746c..c47179473 100644
--- a/sources/pyside6/tests/QtWidgets/bug_338.py
+++ b/sources/pyside6/tests/QtWidgets/bug_338.py
@@ -54,9 +54,10 @@ class BugTest(unittest.TestCase):
         scene = QGraphicsScene()
         item = DiagramItem()
         item2 = DiagramItem()
-        #this cause segfault
+        # this cause segfault
         scene.addItem(item)
         scene.addItem(item2)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_389.py b/sources/pyside6/tests/QtWidgets/bug_389.py
index 3b0ca6a54..4cef736b4 100644
--- a/sources/pyside6/tests/QtWidgets/bug_389.py
+++ b/sources/pyside6/tests/QtWidgets/bug_389.py
@@ -48,5 +48,6 @@ class BugTest(UsesQApplication):
         i = s.standardIcon(QStyle.SP_TitleBarMinButton)
         self.assertEqual(type(i), QIcon)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_400.py b/sources/pyside6/tests/QtWidgets/bug_400.py
index 7f067a09a..39eafd23a 100644
--- a/sources/pyside6/tests/QtWidgets/bug_400.py
+++ b/sources/pyside6/tests/QtWidgets/bug_400.py
@@ -40,6 +40,7 @@ init_test_paths(False)
 from helper.usesqapplication import UsesQApplication
 from PySide6.QtWidgets import QTreeWidgetItemIterator, QTreeWidgetItem, QTreeWidget
 
+
 class BugTest(UsesQApplication):
     def testCase(self):
         treeWidget = QTreeWidget()
@@ -48,7 +49,7 @@ class BugTest(UsesQApplication):
         for i in range(10):
             items.append(QTreeWidgetItem(None, [f"item: {i}"]))
 
-        treeWidget.insertTopLevelItems(0, items);
+        treeWidget.insertTopLevelItems(0, items)
         _iter = QTreeWidgetItemIterator(treeWidget)
         index = 0
         while(_iter.value()):
diff --git a/sources/pyside6/tests/QtWidgets/bug_430.py b/sources/pyside6/tests/QtWidgets/bug_430.py
index 7eecd650d..0d3e3a09a 100644
--- a/sources/pyside6/tests/QtWidgets/bug_430.py
+++ b/sources/pyside6/tests/QtWidgets/bug_430.py
@@ -40,9 +40,10 @@ from PySide6.QtWidgets import QApplication, QListView
 
 
 class ListModel(QAbstractListModel):
-    def rowCount(self, parent = QModelIndex()):
+    def rowCount(self, parent=QModelIndex()):
         return 0
 
+
 app = QApplication([])
 model = ListModel()
 v = QListView()
diff --git a/sources/pyside6/tests/QtWidgets/bug_433.py b/sources/pyside6/tests/QtWidgets/bug_433.py
index 0cae07435..0c109f40a 100644
--- a/sources/pyside6/tests/QtWidgets/bug_433.py
+++ b/sources/pyside6/tests/QtWidgets/bug_433.py
@@ -45,6 +45,7 @@ class Test(QGraphicsView):
         self.s = QGraphicsScene()
         self.setScene(self.s)
 
+
 a = QApplication(sys.argv)
 t = Test()
 t.show()
diff --git a/sources/pyside6/tests/QtWidgets/bug_467.py b/sources/pyside6/tests/QtWidgets/bug_467.py
index d3bc98230..eaa2696d2 100644
--- a/sources/pyside6/tests/QtWidgets/bug_467.py
+++ b/sources/pyside6/tests/QtWidgets/bug_467.py
@@ -40,8 +40,9 @@ init_test_paths(False)
 from helper.usesqapplication import UsesQApplication
 from PySide6.QtWidgets import QMainWindow, QApplication
 
+
 class MyWidget(QMainWindow):
-    def __init__(self, parent = None):
+    def __init__(self, parent=None):
         QMainWindow.__init__(self, parent)
 
 
@@ -51,5 +52,6 @@ class BugTest(UsesQApplication):
         widgets = QApplication.allWidgets()
         self.assertTrue(w in widgets)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_493.py b/sources/pyside6/tests/QtWidgets/bug_493.py
index 7a2442f9d..52aae39da 100644
--- a/sources/pyside6/tests/QtWidgets/bug_493.py
+++ b/sources/pyside6/tests/QtWidgets/bug_493.py
@@ -53,5 +53,6 @@ class TestBug493(unittest.TestCase):
         self.assertTrue(ev1.matches(ks))
         self.assertFalse(ev2.matches(ks))
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_512.py b/sources/pyside6/tests/QtWidgets/bug_512.py
index 46dadfa57..d93999833 100644
--- a/sources/pyside6/tests/QtWidgets/bug_512.py
+++ b/sources/pyside6/tests/QtWidgets/bug_512.py
@@ -44,7 +44,7 @@ from PySide6.QtWidgets import QGridLayout, QLabel, QWidget
 class BugTest(UsesQApplication):
     def testCase(self):
         w = QWidget(None)
-        lbl = QLabel("Hello", w);
+        lbl = QLabel("Hello", w)
         g = QGridLayout()
         g.addWidget(lbl, 0, 0)
         w.setLayout(g)
@@ -52,7 +52,8 @@ class BugTest(UsesQApplication):
 
         t = g.getItemPosition(0)
         self.assertEqual(type(t), tuple)
-        self.assertEqual(t, (0,0,1,1))
+        self.assertEqual(t, (0, 0, 1, 1))
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_525.py b/sources/pyside6/tests/QtWidgets/bug_525.py
index 573e9bf46..e86c03ba8 100644
--- a/sources/pyside6/tests/QtWidgets/bug_525.py
+++ b/sources/pyside6/tests/QtWidgets/bug_525.py
@@ -38,11 +38,13 @@ init_test_paths(False)
 from PySide6.QtWidgets import QApplication
 from PySide6.QtWidgets import QMenu
 
+
 class M2(QMenu):
-    def __init__(self,parent=None):
+    def __init__(self, parent=None):
         super().__init__(parent)
         self.setTitle(self.tr("M2"))
 
+
 class TestMenuDerivedClass(unittest.TestCase):
     def aboutToShowHandler(self):
         pass
@@ -53,5 +55,6 @@ class TestMenuDerivedClass(unittest.TestCase):
         # Test if the aboutToShow signal was translated to correct type
         m2.aboutToShow.connect(self.aboutToShowHandler)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_546.py b/sources/pyside6/tests/QtWidgets/bug_546.py
index 9fece8cd4..4d4f9ed16 100644
--- a/sources/pyside6/tests/QtWidgets/bug_546.py
+++ b/sources/pyside6/tests/QtWidgets/bug_546.py
@@ -47,5 +47,6 @@ class TestBug546(unittest.TestCase):
         completer = QCompleter(("foo", "bar"), textEdit)
         completer.setWidget(textEdit)
 
-if __name__=='__main__':
+
+if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_547.py b/sources/pyside6/tests/QtWidgets/bug_547.py
index 0753e932e..984a0c858 100644
--- a/sources/pyside6/tests/QtWidgets/bug_547.py
+++ b/sources/pyside6/tests/QtWidgets/bug_547.py
@@ -44,6 +44,7 @@ from PySide6.QtWidgets import QApplication, QTreeWidget, QTreeWidgetItem
 
 class MyMainWindow(unittest.TestCase):
     app = QApplication(sys.argv)
+
     def testCase1(self):
         self._tree = QTreeWidget()
         self._tree.setColumnCount(2)
@@ -88,6 +89,7 @@ class MyMainWindow(unittest.TestCase):
         self._i11 = QTreeWidgetItem(self._i1, ['11', ])
         self.assertEqual(sys.getrefcount(self._i11), 3)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/bug_549.py b/sources/pyside6/tests/QtWidgets/bug_549.py
index dee5d8315..30c56a9a8 100644
--- a/sources/pyside6/tests/QtWidgets/bug_549.py
+++ b/sources/pyside6/tests/QtWidgets/bug_549.py
@@ -47,6 +47,7 @@ class TestBug549(unittest.TestCase):
         w.setWindowFrameMargins(5, 6, 7, 8)
         self.assertEqual(w.getWindowFrameMargins(), (5, 6, 7, 8))
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/bug_569.py b/sources/pyside6/tests/QtWidgets/bug_569.py
index 12809853b..cd4874403 100644
--- a/sources/pyside6/tests/QtWidgets/bug_569.py
+++ b/sources/pyside6/tests/QtWidgets/bug_569.py
@@ -44,11 +44,12 @@ class TestBug569(unittest.TestCase):
         types = (QTableWidgetItem, QListWidgetItem, QTreeWidgetItem)
         for t in types:
             a = t()
-            a.__lt__ = lambda other : True
+            a.__lt__ = lambda other: True
             b = t()
-            b.__lt__ = lambda other : False
+            b.__lt__ = lambda other: False
             self.assertTrue(a < b)
             self.assertFalse(b < a)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_575.py b/sources/pyside6/tests/QtWidgets/bug_575.py
index d6de17dd1..b7318eded 100644
--- a/sources/pyside6/tests/QtWidgets/bug_575.py
+++ b/sources/pyside6/tests/QtWidgets/bug_575.py
@@ -52,6 +52,7 @@ class Bug575(unittest.TestCase):
         selection.cursor.setPosition(2)
         self.assertEqual(selection.cursor.position(), 2)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/bug_585.py b/sources/pyside6/tests/QtWidgets/bug_585.py
index eeb89c297..82d581af9 100644
--- a/sources/pyside6/tests/QtWidgets/bug_585.py
+++ b/sources/pyside6/tests/QtWidgets/bug_585.py
@@ -56,6 +56,7 @@ class Bug585(unittest.TestCase):
 
         self.assertEqual(refCount, sys.getrefcount(i1))
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/bug_589.py b/sources/pyside6/tests/QtWidgets/bug_589.py
index 48faae17e..6b4afc74b 100644
--- a/sources/pyside6/tests/QtWidgets/bug_589.py
+++ b/sources/pyside6/tests/QtWidgets/bug_589.py
@@ -41,15 +41,17 @@ from PySide6.QtWidgets import QApplication, QGraphicsProxyWidget
 
 
 class CustomWidget(QGraphicsProxyWidget):
-   def itemChange(self, eventType, value):
-      QGraphicsProxyWidget.itemChange(self, eventType, value)
+    def itemChange(self, eventType, value):
+        QGraphicsProxyWidget.itemChange(self, eventType, value)
+
 
 class Bug589(unittest.TestCase):
-   def testCase(self):
-      widget = QGraphicsProxyWidget()
-      custom = CustomWidget()
-      custom.setParentItem(widget)
+    def testCase(self):
+        widget = QGraphicsProxyWidget()
+        custom = CustomWidget()
+        custom.setParentItem(widget)
+
 
 if __name__ == "__main__":
-   app = QApplication(sys.argv)
-   unittest.main()
+    app = QApplication(sys.argv)
+    unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_635.py b/sources/pyside6/tests/QtWidgets/bug_635.py
index 7cce5b32a..2def84299 100644
--- a/sources/pyside6/tests/QtWidgets/bug_635.py
+++ b/sources/pyside6/tests/QtWidgets/bug_635.py
@@ -60,6 +60,7 @@ class testQToolBar(unittest.TestCase):
         a.trigger()
         self.assertTrue(self._called)
 
+
 if __name__ == '__main__':
     app = QApplication(sys.argv)
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_640.py b/sources/pyside6/tests/QtWidgets/bug_640.py
index 965adc3a5..b050cf69b 100644
--- a/sources/pyside6/tests/QtWidgets/bug_640.py
+++ b/sources/pyside6/tests/QtWidgets/bug_640.py
@@ -41,7 +41,8 @@ from PySide6.QtWidgets import QStyleOptionGraphicsItem
 class Bug640(unittest.TestCase):
     def testIt(self):
         option = QStyleOptionGraphicsItem()
-        a = option.state # crash!?
+        a = option.state  # crash!?
+
 
 if __name__ == "__main__":
-   unittest.main()
+    unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_653.py b/sources/pyside6/tests/QtWidgets/bug_653.py
index 47d310a44..3412caa31 100644
--- a/sources/pyside6/tests/QtWidgets/bug_653.py
+++ b/sources/pyside6/tests/QtWidgets/bug_653.py
@@ -46,8 +46,9 @@ class TestBug653(unittest.TestCase):
         wizard = QWizard()
         page = QWizardPage()
         wizard.addPage(page)
-        page.wizard() # crash here if the bug still exists due to a circular dependency
+        page.wizard()  # crash here if the bug still exists due to a circular dependency
         wizard.show()
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_662.py b/sources/pyside6/tests/QtWidgets/bug_662.py
index cc36c6c99..ebc91697b 100644
--- a/sources/pyside6/tests/QtWidgets/bug_662.py
+++ b/sources/pyside6/tests/QtWidgets/bug_662.py
@@ -40,6 +40,7 @@ from PySide6.QtGui import QTextCharFormat
 from PySide6.QtWidgets import QTextEdit, QApplication
 import sys
 
+
 class testQTextBlock(unittest.TestCase):
     def tesIterator(self):
         edit = QTextEdit()
@@ -47,8 +48,8 @@ class testQTextBlock(unittest.TestCase):
         fmt = QTextCharFormat()
         frags = []
         for i in range(10):
-            fmt.setFontPointSize(i+10)
-            frags.append("block%d"%i)
+            fmt.setFontPointSize(i + 10)
+            frags.append(f"block{i}")
             cursor.insertText(frags[i], fmt)
 
         doc = edit.document()
@@ -59,6 +60,7 @@ class testQTextBlock(unittest.TestCase):
             self.assertEqual(i.fragment().text(), frags[index])
             index += 1
 
+
 if __name__ == '__main__':
     app = QApplication(sys.argv)
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_667.py b/sources/pyside6/tests/QtWidgets/bug_667.py
index 3cad4e11a..42f9dade3 100644
--- a/sources/pyside6/tests/QtWidgets/bug_667.py
+++ b/sources/pyside6/tests/QtWidgets/bug_667.py
@@ -38,10 +38,12 @@ init_test_paths()
 from PySide6.QtCore import QTimer, QPointF
 from PySide6.QtWidgets import QApplication, QGraphicsView, QGraphicsScene, QGraphicsEllipseItem
 
+
 class Ball(QGraphicsEllipseItem):
     def __init__(self, d, parent=None):
         super().__init__(0, 0, d, d, parent)
-        self.vel = QPointF(0,0)   #commenting this out prevents the crash
+        self.vel = QPointF(0, 0)   #commenting this out prevents the crash
+
 
 class Foo(QGraphicsView):
     def __init__(self):
diff --git a/sources/pyside6/tests/QtWidgets/bug_668.py b/sources/pyside6/tests/QtWidgets/bug_668.py
index 167a19ce6..09456756c 100644
--- a/sources/pyside6/tests/QtWidgets/bug_668.py
+++ b/sources/pyside6/tests/QtWidgets/bug_668.py
@@ -53,6 +53,7 @@ class A(QMainWindow):
         # Test index() method (see PYSIDE-570, PYSIDE-331)
         index = a.index(0, 0, QModelIndex())
 
+
 app = QApplication([])
 m = A()
 m.show()
diff --git a/sources/pyside6/tests/QtWidgets/bug_674.py b/sources/pyside6/tests/QtWidgets/bug_674.py
index 94ae27212..95e32edd1 100644
--- a/sources/pyside6/tests/QtWidgets/bug_674.py
+++ b/sources/pyside6/tests/QtWidgets/bug_674.py
@@ -51,7 +51,8 @@ class TestBug679(unittest.TestCase):
         scene.clear()
         self.assertEqual(sys.getrefcount(hello), 2)
         self.assertEqual(len(scene.items()), 0)
-        self.assertRaises(RuntimeError, hello.isVisible) # the C++ object was deleted
+        self.assertRaises(RuntimeError, hello.isVisible)  # the C++ object was deleted
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_688.py b/sources/pyside6/tests/QtWidgets/bug_688.py
index 4b1bfbd73..1120c38f6 100644
--- a/sources/pyside6/tests/QtWidgets/bug_688.py
+++ b/sources/pyside6/tests/QtWidgets/bug_688.py
@@ -41,6 +41,7 @@ from helper.usesqapplication import UsesQApplication
 from PySide6.QtGui import QTextFrame, QTextCursor, QTextCharFormat, QFont, QTextFrameFormat
 from PySide6.QtWidgets import QTextEdit
 
+
 class BugTest(UsesQApplication):
     def testCase(self):
         editor = QTextEdit()
@@ -51,7 +52,7 @@ class BugTest(UsesQApplication):
 
         plainCharFormat = QTextCharFormat()
         boldCharFormat = QTextCharFormat()
-        boldCharFormat.setFontWeight(QFont.Bold);
+        boldCharFormat.setFontWeight(QFont.Bold)
         cursor.insertText("""
                           Text documents are represented by the
                           QTextDocument class, rather than by QString objects.
@@ -91,16 +92,15 @@ class BugTest(UsesQApplication):
                           manipulation of the document's contents.""",
                           plainCharFormat)
 
-
         frame = cursor.currentFrame()
 
         items = []
 
-        #test iterator
+        # test iterator
         for i in frame:
             items.append(i)
 
-        #test __iadd__
+        # test __iadd__
         b = frame.begin()
         i = 0
         while not b.atEnd():
@@ -109,7 +109,7 @@ class BugTest(UsesQApplication):
             b.__iadd__(1)
             i += 1
 
-        #test __isub__
+        # test __isub__
         b = frame.end()
         i = 0
         while i > 0:
@@ -119,6 +119,5 @@ class BugTest(UsesQApplication):
             i -= 1
 
 
-
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_693.py b/sources/pyside6/tests/QtWidgets/bug_693.py
index 9f5b0f068..dea191aaf 100644
--- a/sources/pyside6/tests/QtWidgets/bug_693.py
+++ b/sources/pyside6/tests/QtWidgets/bug_693.py
@@ -49,6 +49,7 @@ class MyModel (QAbstractListModel):
     def data(self, index, role):
         return self.stupidLine
 
+
 class TestBug693(unittest.TestCase):
     def testIt(self):
         app = QApplication([])
@@ -62,6 +63,5 @@ class TestBug693(unittest.TestCase):
         MyModel.stupidLine.isNull()
 
 
-
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_696.py b/sources/pyside6/tests/QtWidgets/bug_696.py
index f7f4f6d90..e59b87bc0 100644
--- a/sources/pyside6/tests/QtWidgets/bug_696.py
+++ b/sources/pyside6/tests/QtWidgets/bug_696.py
@@ -40,14 +40,17 @@ init_test_paths(False)
 from helper.usesqapplication import UsesQApplication
 from PySide6.QtWidgets import QMainWindow, QMenu, QApplication
 
+
 class MainWindow(QMainWindow):
     def __init__(self, *args):
-        self._menu = QMenu(self.dontexist) # attribute called with invalid C++ object
+        self._menu = QMenu(self.dontexist)  # attribute called with invalid C++ object
+
 
 class MainWindow2(QMainWindow):
     def __init__(self):
         self.show()
 
+
 class Bug696(UsesQApplication):
     def testContructorInitialization(self):
         self.assertRaises(AttributeError, MainWindow)
diff --git a/sources/pyside6/tests/QtWidgets/bug_711.py b/sources/pyside6/tests/QtWidgets/bug_711.py
index e78fe85b6..9f6217379 100644
--- a/sources/pyside6/tests/QtWidgets/bug_711.py
+++ b/sources/pyside6/tests/QtWidgets/bug_711.py
@@ -38,6 +38,7 @@ init_test_paths(False)
 from PySide6.QtGui import QAction
 from PySide6.QtWidgets import QToolBar, QApplication, QToolButton
 
+
 class TestLabelPixmap(unittest.TestCase):
     def testReference(self):
         toolbar = QToolBar()
@@ -51,6 +52,7 @@ class TestLabelPixmap(unittest.TestCase):
         for b in buttons:
             self.assertRaises(RuntimeError, b.objectName)
 
+
 if __name__ == '__main__':
     app = QApplication([])
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_722.py b/sources/pyside6/tests/QtWidgets/bug_722.py
index 4a00e035d..968e2c2dd 100644
--- a/sources/pyside6/tests/QtWidgets/bug_722.py
+++ b/sources/pyside6/tests/QtWidgets/bug_722.py
@@ -39,6 +39,7 @@ from helper.usesqapplication import UsesQApplication
 
 from PySide6.QtWidgets import QDoubleSpinBox, QGraphicsBlurEffect
 
+
 class TestSignalConnection(UsesQApplication):
     def testFloatSignal(self):
         foo1 = QDoubleSpinBox()
@@ -51,9 +52,10 @@ class TestSignalConnection(UsesQApplication):
     def testQRealSignal(self):
         foo1 = QDoubleSpinBox()
         effect = QGraphicsBlurEffect()
-        effect.blurRadiusChanged['qreal'].connect(foo1.setValue) # check if qreal is a valid type
+        effect.blurRadiusChanged['qreal'].connect(foo1.setValue)  # check if qreal is a valid type
         effect.setBlurRadius(0.42)
         self.assertAlmostEqual(foo1.value(), effect.blurRadius())
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_728.py b/sources/pyside6/tests/QtWidgets/bug_728.py
index 9e1473635..4d1b37593 100644
--- a/sources/pyside6/tests/QtWidgets/bug_728.py
+++ b/sources/pyside6/tests/QtWidgets/bug_728.py
@@ -41,6 +41,8 @@ from PySide6.QtCore import QDir, QTimer
 
 # Periodically check for the file dialog to appear and close it
 dialog = None
+
+
 def timerHandler():
     global dialog
     if dialog is not None:
@@ -48,10 +50,11 @@ def timerHandler():
     else:
         for widget in QApplication.topLevelWidgets():
             if isinstance(widget, QDialog) and widget.isVisible():
-               dialog = widget
+                dialog = widget
+
 
 app = QApplication([])
-QTimer.singleShot(30000, app.quit) # emergency
+QTimer.singleShot(30000, app.quit)  # emergency
 timer = QTimer()
 timer.setInterval(50)
 timer.timeout.connect(timerHandler)
diff --git a/sources/pyside6/tests/QtWidgets/bug_750.py b/sources/pyside6/tests/QtWidgets/bug_750.py
index 1c96e3e1f..111204bf9 100644
--- a/sources/pyside6/tests/QtWidgets/bug_750.py
+++ b/sources/pyside6/tests/QtWidgets/bug_750.py
@@ -41,6 +41,7 @@ from PySide6.QtCore import QTimer
 from PySide6.QtGui import QPainter, QFont, QFontInfo
 from PySide6.QtWidgets import QWidget
 
+
 class MyWidget(QWidget):
     def paintEvent(self, e):
         p = QPainter(self)
@@ -57,5 +58,6 @@ class TestQPainter(UsesQApplication):
         self.app.exec_()
         self.assertTrue(w._info)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_778.py b/sources/pyside6/tests/QtWidgets/bug_778.py
index fc52ce705..5fbbd07fa 100644
--- a/sources/pyside6/tests/QtWidgets/bug_778.py
+++ b/sources/pyside6/tests/QtWidgets/bug_778.py
@@ -39,6 +39,7 @@ from helper.usesqapplication import UsesQApplication
 
 from PySide6.QtWidgets import QTreeWidget, QTreeWidgetItem, QTreeWidgetItemIterator
 
+
 class QTreeWidgetItemIteratorTest(UsesQApplication):
     def testWidgetIterator(self):
         treeWidget = QTreeWidget()
@@ -53,5 +54,6 @@ class QTreeWidgetItemIteratorTest(UsesQApplication):
             self.assertEqual(it.value().text(0), f'item: {index}')
             index += 1
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_785.py b/sources/pyside6/tests/QtWidgets/bug_785.py
index 27b552e3c..019dbc0cb 100644
--- a/sources/pyside6/tests/QtWidgets/bug_785.py
+++ b/sources/pyside6/tests/QtWidgets/bug_785.py
@@ -38,11 +38,13 @@ init_test_paths(False)
 from PySide6.QtCore import QItemSelection
 from PySide6.QtGui import QStandardItemModel, QStandardItem
 from PySide6.QtWidgets import QApplication
+
+
 class Bug324(unittest.TestCase):
     def testOperators(self):
         model = QStandardItemModel()
         for i in range(100):
-            model.appendRow(QStandardItem("Item: %d"%i))
+            model.appendRow(QStandardItem(f"Item: {i}"))
 
         first = model.index(0, 0)
         second = model.index(10, 0)
@@ -53,12 +55,13 @@ class Bug324(unittest.TestCase):
         sel2 = QItemSelection()
         sel2.select(third, fourth)
 
-        sel3 = sel + sel2 #check operator +
+        sel3 = sel + sel2  # check operator +
         self.assertEqual(len(sel3), 2)
         sel4 = sel
-        sel4 += sel2 #check operator +=
+        sel4 += sel2  # check operator +=
         self.assertEqual(len(sel4), 2)
         self.assertEqual(sel4, sel3)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_793.py b/sources/pyside6/tests/QtWidgets/bug_793.py
index 08c060f15..40e3f85da 100644
--- a/sources/pyside6/tests/QtWidgets/bug_793.py
+++ b/sources/pyside6/tests/QtWidgets/bug_793.py
@@ -38,27 +38,32 @@ init_test_paths(False)
 from PySide6.QtCore import QTimer
 from PySide6.QtWidgets import QWidget, QApplication
 
+
 class TestW1(QWidget):
-    def __init__(self, parent = None):
+    def __init__(self, parent=None):
         super().__init__(parent)
         TestW2(parent, self)
 
+
 class TestW2(QWidget):
-    def __init__(self, ancestor, parent = None):
+    def __init__(self, ancestor, parent=None):
         super().__init__(parent)
         self.ancestor_ref = ancestor
 
+
 class Test(QWidget):
     def __init__(self):
         super().__init__()
         TestW1(self)
 
+
 class TestQApplicationDestrcutor(unittest.TestCase):
     def testDestructor(self):
         w = Test()
         w.show()
         QTimer.singleShot(0, w.close)
 
+
 if __name__ == '__main__':
     app = QApplication(sys.argv)
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_811.py b/sources/pyside6/tests/QtWidgets/bug_811.py
index cde5f2fe9..38fbd652c 100644
--- a/sources/pyside6/tests/QtWidgets/bug_811.py
+++ b/sources/pyside6/tests/QtWidgets/bug_811.py
@@ -41,11 +41,13 @@ from helper.usesqapplication import UsesQApplication
 from PySide6.QtGui import QTextBlockUserData, QTextCursor
 from PySide6.QtWidgets import QTextEdit
 
+
 class TestUserData(QTextBlockUserData):
     def __init__(self, data):
         super().__init__()
         self.data = data
 
+
 class TestUserDataRefCount(UsesQApplication):
     def testRefcount(self):
         textedit = QTextEdit()
@@ -63,5 +65,6 @@ class TestUserDataRefCount(UsesQApplication):
         del ud, ud2
         self.assertEqual(sys.getrefcount(self.udata()), 2)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_834.py b/sources/pyside6/tests/QtWidgets/bug_834.py
index 3a3926359..a8a6ab107 100644
--- a/sources/pyside6/tests/QtWidgets/bug_834.py
+++ b/sources/pyside6/tests/QtWidgets/bug_834.py
@@ -43,6 +43,7 @@ class Window(QMainWindow):
     def childEvent(self, event):
         super(Window, self).childEvent(event)
 
+
 app = QApplication([])
 window = Window()
 
diff --git a/sources/pyside6/tests/QtWidgets/bug_836.py b/sources/pyside6/tests/QtWidgets/bug_836.py
index 4523c525c..fe381a570 100644
--- a/sources/pyside6/tests/QtWidgets/bug_836.py
+++ b/sources/pyside6/tests/QtWidgets/bug_836.py
@@ -42,16 +42,20 @@ from PySide6.QtWidgets import QApplication, QFrame
 class Mixin1(object):
     pass
 
+
 class Mixin2(object):
     pass
 
+
 class Mixin3(object):
     pass
 
+
 class MainWindow(Mixin1, Mixin2, Mixin3, QFrame):
     def __init__(self):
         super().__init__()
 
+
 def main():
     app = QApplication([])
     # if it doesn't crash it should pass
@@ -60,6 +64,7 @@ def main():
     QTimer.singleShot(0, w.close)
     app.exec_()
 
+
 if __name__ == "__main__":
     main()
 
diff --git a/sources/pyside6/tests/QtWidgets/bug_844.py b/sources/pyside6/tests/QtWidgets/bug_844.py
index 879c08850..e6167dfc6 100644
--- a/sources/pyside6/tests/QtWidgets/bug_844.py
+++ b/sources/pyside6/tests/QtWidgets/bug_844.py
@@ -47,6 +47,7 @@ class QtKeyPressListener(QObject):
         # This used to crash here due to a misbehaviour of type discovery!
         return QObject.eventFilter(self, obj, event)
 
+
 app = QApplication([])
 key_listener = QtKeyPressListener(app)
 w = QLabel('Hello')
diff --git a/sources/pyside6/tests/QtWidgets/bug_854.py b/sources/pyside6/tests/QtWidgets/bug_854.py
index 6ce2b653e..5c88237b5 100644
--- a/sources/pyside6/tests/QtWidgets/bug_854.py
+++ b/sources/pyside6/tests/QtWidgets/bug_854.py
@@ -56,7 +56,7 @@ class VirtualList(QAbstractItemModel):
         return self.createIndex(row, column)
 
     def parent(self, index):
-         return QModelIndex()
+        return QModelIndex()
 
     def data(self, index, role):
         row = index.row()
@@ -73,6 +73,7 @@ class TestQAbstractItemModel(UsesQApplication):
         table.show()
         self.assertFalse(model._getItemCalled)
 
+
 if __name__ == "__main__":
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/bug_860.py b/sources/pyside6/tests/QtWidgets/bug_860.py
index 4a208257a..b5ce9419d 100644
--- a/sources/pyside6/tests/QtWidgets/bug_860.py
+++ b/sources/pyside6/tests/QtWidgets/bug_860.py
@@ -40,6 +40,7 @@ from PySide6.QtWidgets import QCheckBox
 
 from helper.usesqapplication import UsesQApplication
 
+
 class MultipleSlotTest(UsesQApplication):
     def cb_changed(self, i):
         self._changed = True
@@ -65,5 +66,6 @@ class MultipleSlotTest(UsesQApplication):
         box.setChecked(True)
         self.assertTrue(self._changed)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_862.py b/sources/pyside6/tests/QtWidgets/bug_862.py
index 643b338e7..d16357081 100644
--- a/sources/pyside6/tests/QtWidgets/bug_862.py
+++ b/sources/pyside6/tests/QtWidgets/bug_862.py
@@ -66,18 +66,22 @@ class MyQObject(QObject):
     def __init__(self):
         super().__init__()
 
+
 class MyQWidget(QWidget):
     def __init__(self):
         super().__init__()
 
+
 class MyQGraphicsObject(QGraphicsObject):
     def __init__(self):
         super().__init__()
 
+
 class MyQGraphicsItem(QGraphicsItem):
     def __init__(self):
         super().__init__()
 
+
 class TestRepr (unittest.TestCase):
 
     def testIt(self):
@@ -94,5 +98,6 @@ class TestRepr (unittest.TestCase):
         self.assertEqual("<PySide6.QtWidgets.QWidget(0x", repr(QWidget())[:29])
         self.assertEqual("<PySide6.QtWidgets.QGraphicsWidget(0x", repr(QGraphicsWidget())[:37])
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_871.py b/sources/pyside6/tests/QtWidgets/bug_871.py
index 758d3ece4..487f46494 100644
--- a/sources/pyside6/tests/QtWidgets/bug_871.py
+++ b/sources/pyside6/tests/QtWidgets/bug_871.py
@@ -43,11 +43,11 @@ from PySide6.QtWidgets import QLineEdit
 
 
 class BlankIntValidator(QIntValidator):
-    def validate(self,input,pos):
+    def validate(self, input, pos):
         if input == '':
             return QValidator.Acceptable, input, pos
         else:
-            return QIntValidator.validate(self,input,pos)
+            return QIntValidator.validate(self, input, pos)
 
 
 class Bug871Test(UsesQApplication):
@@ -74,5 +74,5 @@ class Bug871Test(UsesQApplication):
 
 
 if __name__ == "__main__":
-   unittest.main()
+    unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/bug_879.py b/sources/pyside6/tests/QtWidgets/bug_879.py
index 4089fa590..8a7b4b184 100644
--- a/sources/pyside6/tests/QtWidgets/bug_879.py
+++ b/sources/pyside6/tests/QtWidgets/bug_879.py
@@ -39,10 +39,12 @@ from PySide6.QtCore import QCoreApplication, QTimer, QEvent, Qt
 from PySide6.QtWidgets import QApplication, QSpinBox
 from PySide6.QtGui import QKeyEvent
 
+
 class MySpinBox(QSpinBox):
 
-    def validate(self,text,pos):
-        return QSpinBox.validate(self,text,pos)
+    def validate(self, text, pos):
+        return QSpinBox.validate(self, text, pos)
+
 
 class TestBug879 (unittest.TestCase):
 
@@ -61,5 +63,6 @@ class TestBug879 (unittest.TestCase):
         ev = QKeyEvent(QEvent.KeyPress, Qt.Key_A, Qt.NoModifier, 'a')
         QCoreApplication.sendEvent(self.box, ev)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_919.py b/sources/pyside6/tests/QtWidgets/bug_919.py
index fd51ec9ef..f4d5311fd 100644
--- a/sources/pyside6/tests/QtWidgets/bug_919.py
+++ b/sources/pyside6/tests/QtWidgets/bug_919.py
@@ -40,8 +40,9 @@ from PySide6.QtCore import Signal, QTimer
 from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import QPushButton, QStyleOptionButton, QApplication, QStyle
 
+
 class MyWidget(QPushButton):
-    def __init__(self, parent = None):
+    def __init__(self, parent=None):
         QPushButton.__init__(self, parent)
         self._painted = False
 
@@ -58,6 +59,7 @@ class MyWidget(QPushButton):
 
     paintReceived = Signal()
 
+
 class TestBug919(TimedQApplication):
     def setUp(self):
         TimedQApplication.setUp(self, 2000)
@@ -69,5 +71,6 @@ class TestBug919(TimedQApplication):
         self.app.exec_()
         self.assertTrue(w._painted)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_921.py b/sources/pyside6/tests/QtWidgets/bug_921.py
index 9c7924efb..d27ce774d 100644
--- a/sources/pyside6/tests/QtWidgets/bug_921.py
+++ b/sources/pyside6/tests/QtWidgets/bug_921.py
@@ -47,6 +47,7 @@ class Signaller(QObject):
     s2 = Signal()
     s3 = Signal()
 
+
 class Window(object):
 
     def __init__(self, s):
@@ -64,6 +65,7 @@ class Window(object):
     def _on_signal(self):
         self._window.setWindowTitle("Signaled!")
 
+
 class TestTimedApp(TimedQApplication):
     def testSignals(self):
         s = Signaller()
@@ -83,5 +85,6 @@ class TestTimedApp(TimedQApplication):
         s.s2.emit()
         s.s3.emit()
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_941.py b/sources/pyside6/tests/QtWidgets/bug_941.py
index 459659931..6f200b281 100644
--- a/sources/pyside6/tests/QtWidgets/bug_941.py
+++ b/sources/pyside6/tests/QtWidgets/bug_941.py
@@ -42,13 +42,15 @@ from PySide6.QtWidgets import QApplication, QHeaderView
 def foo(a, b):
     pass
 
+
 class TestBug941 (unittest.TestCase):
 
     def testIt(self):
         app = QApplication([])
         view = QHeaderView(Qt.Horizontal)
         self.assertTrue(view.sortIndicatorChanged.connect(foo))
-        view.sortIndicatorChanged.emit(0, Qt.Vertical) # this can't raise an exception!
+        view.sortIndicatorChanged.emit(0, Qt.Vertical)  # this can't raise an exception!
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_964.py b/sources/pyside6/tests/QtWidgets/bug_964.py
index 8a3ea9434..fdf74e324 100644
--- a/sources/pyside6/tests/QtWidgets/bug_964.py
+++ b/sources/pyside6/tests/QtWidgets/bug_964.py
@@ -46,10 +46,11 @@ class TestBug964 (unittest.TestCase):
         model = QStringListModel(["1", "2"])
         view = QListView()
         view.setModel(model)
-        view.setCurrentIndex(model.index(0,0))
+        view.setCurrentIndex(model.index(0, 0))
         newCursor = view.moveCursor(QAbstractItemView.MoveDown, Qt.NoModifier)
         self.assertEqual(newCursor.row(), 1)
         self.assertEqual(newCursor.column(), 0)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_967.py b/sources/pyside6/tests/QtWidgets/bug_967.py
index b86715002..a27a046d3 100644
--- a/sources/pyside6/tests/QtWidgets/bug_967.py
+++ b/sources/pyside6/tests/QtWidgets/bug_967.py
@@ -51,5 +51,6 @@ class TestBug967 (unittest.TestCase):
         obj.currentIndexChanged.emit(5)
         self.assertEqual(self.arg, 5)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_972.py b/sources/pyside6/tests/QtWidgets/bug_972.py
index 12110edee..24f892f19 100644
--- a/sources/pyside6/tests/QtWidgets/bug_972.py
+++ b/sources/pyside6/tests/QtWidgets/bug_972.py
@@ -40,6 +40,7 @@ from PySide6.QtWidgets import QGraphicsProxyWidget, QSizePolicy, QPushButton, QG
 
 from helper.timedqapplication import TimedQApplication
 
+
 def createItem(minimum, preferred, maximum, name):
     w = QGraphicsProxyWidget()
 
@@ -51,6 +52,7 @@ def createItem(minimum, preferred, maximum, name):
 
     return w
 
+
 class TestBug972 (TimedQApplication):
 
     # Test if the function QGraphicsProxyWidget.setWidget have the correct behavior
diff --git a/sources/pyside6/tests/QtWidgets/bug_979.py b/sources/pyside6/tests/QtWidgets/bug_979.py
index aa2a610a6..e6607d260 100644
--- a/sources/pyside6/tests/QtWidgets/bug_979.py
+++ b/sources/pyside6/tests/QtWidgets/bug_979.py
@@ -37,9 +37,10 @@ init_test_paths()
 from PySide6.QtWidgets import QDialog
 from import_test import PysideImportTest2
 
+
 class PysideImportTest1(QDialog, PysideImportTest2):
-       pass
+    pass
+
 
 if __name__ == '__main__':
     quit()
-
diff --git a/sources/pyside6/tests/QtWidgets/bug_988.py b/sources/pyside6/tests/QtWidgets/bug_988.py
index 9d3f0398d..02bc9f741 100644
--- a/sources/pyside6/tests/QtWidgets/bug_988.py
+++ b/sources/pyside6/tests/QtWidgets/bug_988.py
@@ -51,5 +51,6 @@ class TestBug988 (unittest.TestCase):
         obj.currentChanged.emit(5)
         self.assertEqual(self.arg, 5)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/bug_998.py b/sources/pyside6/tests/QtWidgets/bug_998.py
index 735de74bc..0cea3296b 100644
--- a/sources/pyside6/tests/QtWidgets/bug_998.py
+++ b/sources/pyside6/tests/QtWidgets/bug_998.py
@@ -37,10 +37,12 @@ init_test_paths(False)
 
 from PySide6.QtWidgets import QApplication
 
+
 class TestBug998 (unittest.TestCase):
     def testNoFocusWindow(self):
         widget = QApplication.focusWidget()
         self.assertTrue(widget == None)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/customproxywidget_test.py b/sources/pyside6/tests/QtWidgets/customproxywidget_test.py
index d63391125..db4da7884 100644
--- a/sources/pyside6/tests/QtWidgets/customproxywidget_test.py
+++ b/sources/pyside6/tests/QtWidgets/customproxywidget_test.py
@@ -41,10 +41,12 @@ from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import QLabel
 from PySide6.QtWidgets import QGraphicsScene, QGraphicsView, QGraphicsItem, QGraphicsProxyWidget
 
+
 class CustomProxy(QGraphicsProxyWidget):
     def __init__(self, parent=None, wFlags=0):
         QGraphicsProxyWidget.__init__(self, parent, wFlags)
 
+
 class CustomProxyWidgetTest(UsesQApplication):
     def testCustomProxyWidget(self):
         scene = QGraphicsScene()
@@ -57,13 +59,14 @@ class CustomProxyWidgetTest(UsesQApplication):
         scene.setSceneRect(scene.itemsBoundingRect())
 
         view = QGraphicsView(scene)
-        view.setRenderHints(QPainter.Antialiasing|QPainter.SmoothPixmapTransform)
+        view.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
         view.setViewportUpdateMode(QGraphicsView.BoundingRectViewportUpdate)
         view.show()
 
         timer = QTimer.singleShot(100, self.app.quit)
         self.app.exec_()
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/event_filter_test.py b/sources/pyside6/tests/QtWidgets/event_filter_test.py
index 37333506f..aee5a2926 100644
--- a/sources/pyside6/tests/QtWidgets/event_filter_test.py
+++ b/sources/pyside6/tests/QtWidgets/event_filter_test.py
@@ -39,11 +39,12 @@ from helper.usesqapplication import UsesQApplication
 from PySide6.QtCore import QObject, QEvent
 from PySide6.QtWidgets import QWidget
 
+
 class MyFilter(QObject):
-  def eventFilter(self, obj, event):
-    if event.type() == QEvent.KeyPress:
-      pass
-    return QObject.eventFilter(self, obj, event)
+    def eventFilter(self, obj, event):
+        if event.type() == QEvent.KeyPress:
+            pass
+        return QObject.eventFilter(self, obj, event)
 
 
 class EventFilter(UsesQApplication):
@@ -69,5 +70,6 @@ class EventFilter(UsesQApplication):
         w = None
         self.assertTrue(True)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/grandparent_method_test.py b/sources/pyside6/tests/QtWidgets/grandparent_method_test.py
index b1a8742d0..67d56e156 100644
--- a/sources/pyside6/tests/QtWidgets/grandparent_method_test.py
+++ b/sources/pyside6/tests/QtWidgets/grandparent_method_test.py
@@ -41,17 +41,20 @@ from PySide6.QtWidgets import QPushButton, QWidget
 
 from helper.usesqapplication import UsesQApplication
 
+
 class Dummy(QPushButton):
 
     def show(self):
         QWidget.show(self)
         self.called = True
 
+
 class GrandParentMethod(UsesQApplication):
     def testMethod(self):
         obj = Dummy()
         obj.show()
         self.assertTrue(obj.called)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/hashabletype_test.py b/sources/pyside6/tests/QtWidgets/hashabletype_test.py
index 93eba5486..4a56a1045 100644
--- a/sources/pyside6/tests/QtWidgets/hashabletype_test.py
+++ b/sources/pyside6/tests/QtWidgets/hashabletype_test.py
@@ -40,6 +40,7 @@ init_test_paths(False)
 from PySide6.QtWidgets import QTreeWidgetItem
 from helper.usesqapplication import UsesQApplication
 
+
 class HashableTest(UsesQApplication):
 
     def testQTreeWidgetItemHash(self):
@@ -48,6 +49,7 @@ class HashableTest(UsesQApplication):
         h[obj] = 2
         self.assertTrue(h.get(obj), 2)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/keep_reference_test.py b/sources/pyside6/tests/QtWidgets/keep_reference_test.py
index 87ab45ec4..1766f16ee 100644
--- a/sources/pyside6/tests/QtWidgets/keep_reference_test.py
+++ b/sources/pyside6/tests/QtWidgets/keep_reference_test.py
@@ -46,13 +46,17 @@ from PySide6.QtWidgets import QTableView
 class TestModel(QAbstractTableModel):
     def __init__(self, parent=None):
         QAbstractTableModel.__init__(self, parent)
+
     def rowCount(self, parent):
         return 0
+
     def columnCount(self, parent):
         return 0
+
     def data(self, index, role):
         return None
 
+
 class KeepReferenceTest(UsesQApplication):
 
     def testModelWithoutParent(self):
@@ -106,6 +110,7 @@ class KeepReferenceTest(UsesQApplication):
         createModelAndSetToView(view)
         model = view.model()
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/missing_symbols_test.py b/sources/pyside6/tests/QtWidgets/missing_symbols_test.py
index a4b0cb12d..d30f77fc5 100644
--- a/sources/pyside6/tests/QtWidgets/missing_symbols_test.py
+++ b/sources/pyside6/tests/QtWidgets/missing_symbols_test.py
@@ -40,26 +40,29 @@ init_test_paths(False)
 from PySide6 import QtGui
 from PySide6 import QtWidgets
 
+
 class MissingClasses(unittest.TestCase):
-    def testQDrag(self): # Bug 222
+    def testQDrag(self):  # Bug 222
         getattr(QtGui, 'QDrag')
 
-    def testQDropEvent(self): # Bug 255
+    def testQDropEvent(self):  # Bug 255
         getattr(QtGui, 'QDropEvent')
 
+
 class MissingMembers(unittest.TestCase):
 
-    def testQFontMetricsSize(self): # Bug 223
+    def testQFontMetricsSize(self):  # Bug 223
         QtGui.QFontMetrics.size
 
-    def testQLayoutSetSpacing(self): # Bug 231
+    def testQLayoutSetSpacing(self):  # Bug 231
         QtWidgets.QLayout.setSpacing
 
-    def testQImageLoad(self): # Bug 257
+    def testQImageLoad(self):  # Bug 257
         QtGui.QImage.load
 
-    def testQStandardItemModelinsertRow(self): # Bug 227
+    def testQStandardItemModelinsertRow(self):  # Bug 227
         QtGui.QStandardItemModel.insertRow
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/paint_event_test.py b/sources/pyside6/tests/QtWidgets/paint_event_test.py
index ed5c56eee..48d999901 100644
--- a/sources/pyside6/tests/QtWidgets/paint_event_test.py
+++ b/sources/pyside6/tests/QtWidgets/paint_event_test.py
@@ -42,11 +42,12 @@ from PySide6.QtWidgets import QApplication, QWidget
 
 from helper.usesqapplication import UsesQApplication
 
+
 class MyWidget(QWidget):
     '''Sample widget'''
 
     def __init__(self, app=None):
-        #Creates a new widget
+        # Creates a new widget
         if app is None:
             app = QApplication([])
 
@@ -57,7 +58,7 @@ class MyWidget(QWidget):
         self.paint_event_called = False
 
     def timerEvent(self, event):
-        #Timer event method
+        # Timer event method
         self.runs += 1
 
         if self.runs == self.max_runs:
@@ -67,7 +68,7 @@ class MyWidget(QWidget):
             raise TypeError('Invalid event type. Must be QTimerEvent')
 
     def paintEvent(self, event):
-        #Empty paint event method
+        # Empty paint event method
         # XXX: should be using super here, but somehow PyQt4
         # complains about paintEvent not present in super
         QWidget.paintEvent(self, event)
@@ -80,17 +81,17 @@ class PaintEventOverride(UsesQApplication):
     qapplication = True
 
     def setUp(self):
-        #Acquire resources
+        # Acquire resources
         super(PaintEventOverride, self).setUp()
         self.widget = MyWidget(self.app)
 
     def tearDown(self):
-        #Release resources
+        # Release resources
         del self.widget
         super(PaintEventOverride, self).tearDown()
 
     def testPaintEvent(self):
-        #Test QWidget.paintEvent override
+        # Test QWidget.paintEvent override
         timer_id = self.widget.startTimer(100)
         self.widget.show()
         self.app.exec_()
diff --git a/sources/pyside6/tests/QtWidgets/parent_method_test.py b/sources/pyside6/tests/QtWidgets/parent_method_test.py
index 56b109531..4f2ab2f9a 100644
--- a/sources/pyside6/tests/QtWidgets/parent_method_test.py
+++ b/sources/pyside6/tests/QtWidgets/parent_method_test.py
@@ -43,8 +43,10 @@ class Foo(QTableView):
     def __init__(self, parent=None):
         QTableView.__init__(self, parent)
 
+
 from helper.usesqapplication import UsesQApplication
 
+
 class TestParentType(UsesQApplication):
 
     def testParentType(self):
@@ -56,5 +58,6 @@ class TestParentType(UsesQApplication):
         self.assertTrue(isinstance(w2.parentWidget(), Foo))
         self.assertTrue(isinstance(w2.parent(), Foo))
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/private_mangle_test.py b/sources/pyside6/tests/QtWidgets/private_mangle_test.py
index bfa11c350..94bbfa231 100644
--- a/sources/pyside6/tests/QtWidgets/private_mangle_test.py
+++ b/sources/pyside6/tests/QtWidgets/private_mangle_test.py
@@ -55,6 +55,7 @@ from PySide6.QtCore import Signal
 from PySide6.QtWidgets import QApplication, QWidget
 from PySide6 import QtWidgets
 
+
 class Harness(QWidget):
     clicked = Signal()
 
diff --git a/sources/pyside6/tests/QtWidgets/python_properties_test.py b/sources/pyside6/tests/QtWidgets/python_properties_test.py
index 4c90dce28..72adc7517 100644
--- a/sources/pyside6/tests/QtWidgets/python_properties_test.py
+++ b/sources/pyside6/tests/QtWidgets/python_properties_test.py
@@ -51,5 +51,6 @@ class Properties(unittest.TestCase):
         # PSYIDE-304, can assign to a "const QWidget *" field
         p.widget = None
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qabstracttextdocumentlayout_test.py b/sources/pyside6/tests/QtWidgets/qabstracttextdocumentlayout_test.py
index 7bbdedadd..b6d443bdb 100644
--- a/sources/pyside6/tests/QtWidgets/qabstracttextdocumentlayout_test.py
+++ b/sources/pyside6/tests/QtWidgets/qabstracttextdocumentlayout_test.py
@@ -40,6 +40,7 @@ from PySide6.QtGui import QTextFormat, QTextCharFormat, QPyTextObject
 from PySide6.QtWidgets import QTextEdit
 from helper.usesqapplication import UsesQApplication
 
+
 class Foo(QPyTextObject):
     called = False
 
@@ -50,6 +51,7 @@ class Foo(QPyTextObject):
     def drawObject(self, painter, rect, doc, posInDocument, format):
         pass
 
+
 class QAbstractTextDocumentLayoutTest(UsesQApplication):
 
     objectType = QTextFormat.UserObject + 1
@@ -76,6 +78,7 @@ class QAbstractTextDocumentLayoutTest(UsesQApplication):
 
         self.assertTrue(Foo.called)
 
+
 if __name__ == "__main__":
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qaction_test.py b/sources/pyside6/tests/QtWidgets/qaction_test.py
index 42130a598..6f9b1afec 100644
--- a/sources/pyside6/tests/QtWidgets/qaction_test.py
+++ b/sources/pyside6/tests/QtWidgets/qaction_test.py
@@ -39,6 +39,7 @@ from PySide6.QtGui import QAction
 from PySide6.QtWidgets import QWidget
 from helper.usesqapplication import UsesQApplication
 
+
 class QPainterDrawText(UsesQApplication):
 
     def _cb(self):
@@ -72,6 +73,7 @@ class SetShortcutTest(UsesQApplication):
         s2 = action.shortcut()
         self.assertEqual(s2, shortcut)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qapp_test.py b/sources/pyside6/tests/QtWidgets/qapp_test.py
index 0455cdb61..dec6034f1 100644
--- a/sources/pyside6/tests/QtWidgets/qapp_test.py
+++ b/sources/pyside6/tests/QtWidgets/qapp_test.py
@@ -43,12 +43,14 @@ from PySide6.QtWidgets import QApplication
 class QAppPresence(unittest.TestCase):
 
     def testQApp(self):
-        #QtGui.qApp variable is instance of QApplication
+        # QtGui.qApp variable is instance of QApplication
         self.assertTrue(isinstance(qApp, QApplication))
 
+
 def main():
     app = QApplication([])
     unittest.main()
 
+
 if __name__ == '__main__':
     main()
diff --git a/sources/pyside6/tests/QtWidgets/qapplication_exit_segfault_test.py b/sources/pyside6/tests/QtWidgets/qapplication_exit_segfault_test.py
index 4008aa743..57b1e410a 100644
--- a/sources/pyside6/tests/QtWidgets/qapplication_exit_segfault_test.py
+++ b/sources/pyside6/tests/QtWidgets/qapplication_exit_segfault_test.py
@@ -37,14 +37,16 @@ init_test_paths(False)
 
 from PySide6.QtWidgets import QApplication, QPushButton, QWidget, QSpinBox
 
+
 class QApplicationDelete(unittest.TestCase):
     '''Test for segfault when deleting a QApplication before a QWidget'''
 
     def testQPushButton(self):
-        #QApplication deleted before QPushButton
+        # QApplication deleted before QPushButton
         a = QApplication([])
         b = QPushButton('aaaa')
         del a
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qapplication_test.py b/sources/pyside6/tests/QtWidgets/qapplication_test.py
index 4c5c56dfa..4d62f8179 100644
--- a/sources/pyside6/tests/QtWidgets/qapplication_test.py
+++ b/sources/pyside6/tests/QtWidgets/qapplication_test.py
@@ -37,6 +37,7 @@ init_test_paths(False)
 
 from PySide6.QtWidgets import QApplication
 
+
 class TestQApplication(unittest.TestCase):
     def testNoArguments(self):
         app = QApplication()
diff --git a/sources/pyside6/tests/QtWidgets/qbrush_test.py b/sources/pyside6/tests/QtWidgets/qbrush_test.py
index 838bfc9e5..2083a6c56 100644
--- a/sources/pyside6/tests/QtWidgets/qbrush_test.py
+++ b/sources/pyside6/tests/QtWidgets/qbrush_test.py
@@ -43,11 +43,12 @@ from PySide6.QtWidgets import QApplication
 
 from helper.usesqapplication import UsesQApplication
 
+
 class Constructor(UsesQApplication):
     '''Test case for constructor of QBrush'''
 
     def testQColor(self):
-        #QBrush(QColor) constructor
+        # QBrush(QColor) constructor
         color = QColor('black')
         obj = QBrush(color)
         self.assertEqual(obj.color(), color)
@@ -55,5 +56,6 @@ class Constructor(UsesQApplication):
         obj = QBrush(Qt.blue)
         self.assertEqual(obj.color(), Qt.blue)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qdynamic_signal.py b/sources/pyside6/tests/QtWidgets/qdynamic_signal.py
index d1fe42151..89caf2906 100644
--- a/sources/pyside6/tests/QtWidgets/qdynamic_signal.py
+++ b/sources/pyside6/tests/QtWidgets/qdynamic_signal.py
@@ -40,6 +40,7 @@ from PySide6.QtWidgets import QInputDialog
 
 from helper.usesqapplication import UsesQApplication
 
+
 class DynamicSignalTest(UsesQApplication):
 
     def cb(self, obj):
diff --git a/sources/pyside6/tests/QtWidgets/qfontdialog_test.py b/sources/pyside6/tests/QtWidgets/qfontdialog_test.py
index 59c5dca3b..c503873ad 100644
--- a/sources/pyside6/tests/QtWidgets/qfontdialog_test.py
+++ b/sources/pyside6/tests/QtWidgets/qfontdialog_test.py
@@ -46,11 +46,11 @@ class TestFontDialog(TimedQApplication):
         QFontDialog.getFont()
 
     def testGetFontQDialog(self):
-        QFontDialog.getFont(QFont("FreeSans",10))
+        QFontDialog.getFont(QFont("FreeSans", 10))
 
     def testGetFontQDialogQString(self):
-        QFontDialog.getFont(QFont("FreeSans",10), None, "Select font")
+        QFontDialog.getFont(QFont("FreeSans", 10), None, "Select font")
+
 
 if __name__ == '__main__':
     unittest.main()
-
diff --git a/sources/pyside6/tests/QtWidgets/qformlayout_test.py b/sources/pyside6/tests/QtWidgets/qformlayout_test.py
index 15cb7432f..1bb89d61c 100644
--- a/sources/pyside6/tests/QtWidgets/qformlayout_test.py
+++ b/sources/pyside6/tests/QtWidgets/qformlayout_test.py
@@ -39,6 +39,7 @@ from PySide6.QtWidgets import QFormLayout, QWidget
 
 from helper.usesqapplication import UsesQApplication
 
+
 class QFormLayoutTest(UsesQApplication):
 
     def testGetItemPosition(self):
@@ -88,5 +89,5 @@ class QFormLayoutTest(UsesQApplication):
 
 
 if __name__ == "__main__":
-   unittest.main()
+    unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qgraphicsitem_isblocked_test.py b/sources/pyside6/tests/QtWidgets/qgraphicsitem_isblocked_test.py
index ed9485d0d..2ee6cd96f 100644
--- a/sources/pyside6/tests/QtWidgets/qgraphicsitem_isblocked_test.py
+++ b/sources/pyside6/tests/QtWidgets/qgraphicsitem_isblocked_test.py
@@ -62,5 +62,6 @@ class QGraphicsViewIsBlockedTest(UsesQApplication):
         (first, second) = Item().isBlockedByModalPanel()
         self.assertFalse(first)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qgraphicsitem_test.py b/sources/pyside6/tests/QtWidgets/qgraphicsitem_test.py
index 583a54709..4ce395e0e 100644
--- a/sources/pyside6/tests/QtWidgets/qgraphicsitem_test.py
+++ b/sources/pyside6/tests/QtWidgets/qgraphicsitem_test.py
@@ -42,11 +42,12 @@ from PySide6.QtWidgets import QGraphicsScene
 
 from helper.usesqapplication import UsesQApplication
 
+
 class QColorOnSetBrush(UsesQApplication):
     '''Test case for passing a QColor directly to setBrush'''
 
     def setUp(self):
-        #Acquire resources
+        # Acquire resources
         super(QColorOnSetBrush, self).setUp()
 
         self.scene = QGraphicsScene()
@@ -55,16 +56,17 @@ class QColorOnSetBrush(UsesQApplication):
         self.color = QColor('black')
 
     def tearDown(self):
-        #Release resources
+        # Release resources
         del self.color
         del self.item
         del self.scene
         super(QColorOnSetBrush, self).tearDown()
 
     def testQColor(self):
-        #QGraphicsAbstractShapeItem.setBrush(QColor)
+        # QGraphicsAbstractShapeItem.setBrush(QColor)
         self.item.setBrush(self.color)
         self.assertEqual(QBrush(self.color), self.item.brush())
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qgraphicsobjectreimpl_test.py b/sources/pyside6/tests/QtWidgets/qgraphicsobjectreimpl_test.py
index f7ec876bb..92d89b44d 100644
--- a/sources/pyside6/tests/QtWidgets/qgraphicsobjectreimpl_test.py
+++ b/sources/pyside6/tests/QtWidgets/qgraphicsobjectreimpl_test.py
@@ -42,6 +42,7 @@ from PySide6.QtCore import QRectF
 
 from helper.usesqapplication import UsesQApplication
 
+
 class GObjA(QGraphicsObject):
     def paint(self, *args):
         pass
@@ -52,6 +53,7 @@ class GObjA(QGraphicsObject):
     def itemChange(self, *args):
         return QGraphicsObject.itemChange(self, *args)
 
+
 class GObjB(QGraphicsObject):
     def paint(self, *args):
         pass
@@ -59,6 +61,7 @@ class GObjB(QGraphicsObject):
     def boundingRect(self):
         return QRectF()
 
+
 class QGraphicsObjectReimpl(UsesQApplication):
     '''Test case for reimplementing QGraphicsObject'''
 
@@ -79,5 +82,6 @@ class QGraphicsObjectReimpl(UsesQApplication):
         gobjB.setParentItem(w)
         self.assertIs(type(w), type(gobjB.parentItem()))
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qgraphicsproxywidget_test.py b/sources/pyside6/tests/QtWidgets/qgraphicsproxywidget_test.py
index b4e62bc13..ef78f83f7 100644
--- a/sources/pyside6/tests/QtWidgets/qgraphicsproxywidget_test.py
+++ b/sources/pyside6/tests/QtWidgets/qgraphicsproxywidget_test.py
@@ -41,6 +41,7 @@ from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import QLabel
 from PySide6.QtWidgets import QGraphicsScene, QGraphicsView, QGraphicsItem, QGraphicsProxyWidget
 
+
 class QGraphicsProxyWidgetTest(UsesQApplication):
     def testQGraphicsProxyWidget(self):
         scene = QGraphicsScene()
@@ -53,13 +54,14 @@ class QGraphicsProxyWidgetTest(UsesQApplication):
         scene.setSceneRect(scene.itemsBoundingRect())
 
         view = QGraphicsView(scene)
-        view.setRenderHints(QPainter.Antialiasing|QPainter.SmoothPixmapTransform)
+        view.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
         view.setViewportUpdateMode(QGraphicsView.BoundingRectViewportUpdate)
         view.show()
 
         timer = QTimer.singleShot(100, self.app.quit)
         self.app.exec_()
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qgraphicsscene_test.py b/sources/pyside6/tests/QtWidgets/qgraphicsscene_test.py
index 54e81c45c..b8a5a3945 100644
--- a/sources/pyside6/tests/QtWidgets/qgraphicsscene_test.py
+++ b/sources/pyside6/tests/QtWidgets/qgraphicsscene_test.py
@@ -50,19 +50,22 @@ from PySide6.QtWidgets import QGraphicsProxyWidget, QGraphicsView
 
 from helper.usesqapplication import UsesQApplication
 
+
 class Constructor(unittest.TestCase):
     '''QGraphicsScene constructor'''
 
     def testConstructor(self):
-        #QGraphicsScene constructor
+        # QGraphicsScene constructor
         obj = QGraphicsScene()
         self.assertTrue(isinstance(obj, QGraphicsScene))
 
 # Test for PYSIDE-868: Test whether painter.device() can be accessed
 # correctly. This was crashing when the underlying QPaintDevice was a
 # QWidget due to handling multiple inheritance incorrectly.
+
+
 class CustomScene(QGraphicsScene):
-    def __init__(self, parent = None):
+    def __init__(self, parent=None):
         super().__init__(parent)
         self.dpi = 0
 
@@ -72,24 +75,25 @@ class CustomScene(QGraphicsScene):
     def drawForeground(self, painter, rect):
         self.dpi = painter.device().physicalDpiX()
 
+
 class ConstructorWithRect(unittest.TestCase):
     '''QGraphicsScene qrect constructor and related sizes'''
 
     def setUp(self):
-        #Acquire resources
+        # Acquire resources
         # PyQt4 doesn't accept a QRect as argument to constructor
         self.scene = QGraphicsScene(0, 200, 150, 175)
 
     def tearDown(self):
-        #Release resources
+        # Release resources
         del self.scene
 
     def testHeight(self):
-        #QGraphicsScene.height()
+        # QGraphicsScene.height()
         self.assertEqual(self.scene.height(), 175)
 
     def testWidth(self):
-        #QGraphicsScene.width()
+        # QGraphicsScene.width()
         self.assertEqual(self.scene.width(), 150)
 
 
@@ -99,60 +103,60 @@ class AddItem(UsesQApplication):
     qapplication = True
 
     def setUp(self):
-        #Acquire resources
+        # Acquire resources
         super(AddItem, self).setUp()
         self.scene = QGraphicsScene()
         # While the scene does not inherits from QWidget, requires
         # an application to make the internals work.
 
     def tearDown(self):
-        #Release resources
+        # Release resources
         del self.scene
         super(AddItem, self).tearDown()
 
     def testEllipse(self):
-        #QGraphicsScene.addEllipse
+        # QGraphicsScene.addEllipse
         item = self.scene.addEllipse(100, 100, 100, 100)
         self.assertTrue(isinstance(item, QGraphicsEllipseItem))
 
     def testLine(self):
-        #QGraphicsScene.addLine
+        # QGraphicsScene.addLine
         item = self.scene.addLine(100, 100, 200, 200)
         self.assertTrue(isinstance(item, QGraphicsLineItem))
 
     def testPath(self):
-        #QGraphicsScene.addPath
+        # QGraphicsScene.addPath
         item = self.scene.addPath(QPainterPath())
         self.assertTrue(isinstance(item, QGraphicsPathItem))
 
     def testPixmap(self):
-        #QGraphicsScene.addPixmap
+        # QGraphicsScene.addPixmap
         item = self.scene.addPixmap(QPixmap())
         self.assertTrue(isinstance(item, QGraphicsPixmapItem))
 
     def testPolygon(self):
-        #QGraphicsScene.addPolygon
+        # QGraphicsScene.addPolygon
         points = [QPointF(0, 0), QPointF(100, 100), QPointF(0, 100)]
         item = self.scene.addPolygon(QPolygonF(points))
         self.assertTrue(isinstance(item, QGraphicsPolygonItem))
 
     def testRect(self):
-        #QGraphicsScene.addRect
+        # QGraphicsScene.addRect
         item = self.scene.addRect(100, 100, 100, 100)
         self.assertTrue(isinstance(item, QGraphicsRectItem))
 
     def testSimpleText(self):
-        #QGraphicsScene.addSimpleText
+        # QGraphicsScene.addSimpleText
         item = self.scene.addSimpleText('Monty Python 42')
         self.assertTrue(isinstance(item, QGraphicsSimpleTextItem))
 
     def testText(self):
-        #QGraphicsScene.addText
+        # QGraphicsScene.addText
         item = self.scene.addText('Monty Python 42')
         self.assertTrue(isinstance(item, QGraphicsTextItem))
 
     def testWidget(self):
-        #QGraphicsScene.addWidget
+        # QGraphicsScene.addWidget
         # XXX: printing some X11 error when using under PyQt4
         item = self.scene.addWidget(QPushButton())
         self.assertTrue(isinstance(item, QGraphicsProxyWidget))
@@ -164,7 +168,7 @@ class ItemRetrieve(UsesQApplication):
     qapplication = True
 
     def setUp(self):
-        #Acquire resources
+        # Acquire resources
         super(ItemRetrieve, self).setUp()
         self.scene = QGraphicsScene()
 
@@ -174,29 +178,30 @@ class ItemRetrieve(UsesQApplication):
         self.bottomright = QGraphicsRectItem(100, 100, 100, 100)
 
         self.items = [self.topleft, self.topright, self.bottomleft,
-                        self.bottomright]
+                      self.bottomright]
 
         for item in self.items:
             self.scene.addItem(item)
 
     def tearDown(self):
-        #Release resources
+        # Release resources
         del self.scene
         super(ItemRetrieve, self).tearDown()
 
     def testItems(self):
-        #QGraphicsScene.items()
+        # QGraphicsScene.items()
         items = self.scene.items()
         for i in items:
             self.assertTrue(i in self.items)
 
     def testItemAt(self):
-        #QGraphicsScene.itemAt()
+        # QGraphicsScene.itemAt()
         self.assertEqual(self.scene.itemAt(50, 50, QTransform()), self.topleft)
         self.assertEqual(self.scene.itemAt(150, 50, QTransform()), self.topright)
         self.assertEqual(self.scene.itemAt(50, 150, QTransform()), self.bottomleft)
         self.assertEqual(self.scene.itemAt(150, 150, QTransform()), self.bottomright)
 
+
 class TestGraphicsGroup(UsesQApplication):
     def testIt(self):
         scene = QGraphicsScene()
@@ -207,17 +212,17 @@ class TestGraphicsGroup(UsesQApplication):
         i4 = QGraphicsRectItem()
         group = scene.createItemGroup((i2, i3, i4))
         scene.removeItem(i1)
-        del i1 # this shouldn't delete i2
+        del i1  # this shouldn't delete i2
         self.assertEqual(i2.scene(), scene)
         scene.destroyItemGroup(group)
         self.assertRaises(RuntimeError, group.type)
 
-    def testCustomScene(self): # For PYSIDE-868, see above
+    def testCustomScene(self):  # For PYSIDE-868, see above
         scene = CustomScene()
         view = QGraphicsView(scene)
         view.show()
         while scene.dpi == 0:
-           QApplication.instance().processEvents()
+            QApplication.processEvents()
         view.hide()
 
 
diff --git a/sources/pyside6/tests/QtWidgets/qimage_test.py b/sources/pyside6/tests/QtWidgets/qimage_test.py
index 73c8ba4ce..216126df9 100644
--- a/sources/pyside6/tests/QtWidgets/qimage_test.py
+++ b/sources/pyside6/tests/QtWidgets/qimage_test.py
@@ -274,6 +274,7 @@ xpm = [
     ". ( A ~+{+]+^+l > /+D f.c q . + . . + + . + + + + + + "
 ]
 
+
 class QImageTest(UsesQApplication):
     '''Test case for calling setPixel with float as argument'''
 
@@ -307,6 +308,7 @@ class QImageTest(UsesQApplication):
         self.assertEqual(img.width(), 27)
         self.assertEqual(img.height(), 22)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qinputdialog_get_test.py b/sources/pyside6/tests/QtWidgets/qinputdialog_get_test.py
index df3307d77..c558e291b 100644
--- a/sources/pyside6/tests/QtWidgets/qinputdialog_get_test.py
+++ b/sources/pyside6/tests/QtWidgets/qinputdialog_get_test.py
@@ -53,7 +53,8 @@ class TestInputDialog(TimedQApplication):
 
     def testGetText(self):
         (text, bool) = QInputDialog.getText(None, "title", "label")
-        self.assertEqual(str(text),"")
+        self.assertEqual(str(text), "")
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qkeysequenceedit_test.py b/sources/pyside6/tests/QtWidgets/qkeysequenceedit_test.py
index 61f56f2d2..cd629430f 100644
--- a/sources/pyside6/tests/QtWidgets/qkeysequenceedit_test.py
+++ b/sources/pyside6/tests/QtWidgets/qkeysequenceedit_test.py
@@ -42,6 +42,7 @@ from PySide6.QtWidgets import QKeySequenceEdit
 
 from helper.usesqapplication import UsesQApplication
 
+
 class QKeySequenceEditTest(UsesQApplication):
     def testKeySequence(self):
         keySequenceEdit = QKeySequenceEdit()
@@ -50,5 +51,6 @@ class QKeySequenceEditTest(UsesQApplication):
         self.app.exec_()
         print(keySequenceEdit.keySequence())
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qlabel_test.py b/sources/pyside6/tests/QtWidgets/qlabel_test.py
index 15618eec7..b8bbb2902 100644
--- a/sources/pyside6/tests/QtWidgets/qlabel_test.py
+++ b/sources/pyside6/tests/QtWidgets/qlabel_test.py
@@ -43,6 +43,7 @@ from shiboken6 import Shiboken
 
 from helper.usesqapplication import UsesQApplication
 
+
 class QLabelTest(UsesQApplication):
     '''Test case for calling QLabel.setPixmap'''
 
@@ -62,7 +63,6 @@ class QLabelTest(UsesQApplication):
         self.label.setPixmap(p1)
         self.assertIsNotNone(self.label.pixmap())
 
-
         # PYSIDE-150:
         #   When a new QPixmap is assigned to a QLabel,
         #   the previous one needs to be cleared.
@@ -85,5 +85,6 @@ class QLabelTest(UsesQApplication):
         self.assertTrue(all(Shiboken.getCppPointer(o) != ret_p_addr
                    for o in Shiboken.getAllValidWrappers()))
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qlayout_ref_test.py b/sources/pyside6/tests/QtWidgets/qlayout_ref_test.py
index d10141098..255119562 100644
--- a/sources/pyside6/tests/QtWidgets/qlayout_ref_test.py
+++ b/sources/pyside6/tests/QtWidgets/qlayout_ref_test.py
@@ -44,6 +44,7 @@ from PySide6.QtWidgets import QApplication, QPushButton, QLabel
 
 from helper.usesqapplication import UsesQApplication
 
+
 class SaveReference(UsesQApplication):
     '''Test case to check if QLayout-derived classes increment the refcount
     of widgets passed to addWidget()'''
@@ -52,19 +53,19 @@ class SaveReference(UsesQApplication):
     qapplication = True
 
     def setUp(self):
-        #Acquire resources
+        # Acquire resources
         super(SaveReference, self).setUp()
         self.widget1 = QPushButton('click me')
         self.widget2 = QLabel('aaa')
 
     def tearDown(self):
-        #Release resources
+        # Release resources
         del self.widget2
         del self.widget1
         super(SaveReference, self).tearDown()
 
     def checkLayoutReference(self, layout):
-        #Checks the reference cound handling of layout.addWidget
+        # Checks the reference cound handling of layout.addWidget
         self.assertEqual(getrefcount(self.widget1), 2)
         layout.addWidget(self.widget1)
         self.assertEqual(getrefcount(self.widget1), 3)
@@ -86,32 +87,32 @@ class SaveReference(UsesQApplication):
         w.setLayout(l)
         self.assertEqual(getrefcount(self.widget1), 3)
 
-
     def testHBoxReference(self):
-        #QHBoxLayout.addWidget reference count
+        # QHBoxLayout.addWidget reference count
         w = QWidget()
         self.checkLayoutReference(QHBoxLayout(w))
 
     def testVBoxReference(self):
-        #QVBoxLayout.addWidget reference count
+        # QVBoxLayout.addWidget reference count
         w = QWidget()
         self.checkLayoutReference(QVBoxLayout(w))
 
     def testGridReference(self):
-        #QGridLayout.addWidget reference count
+        # QGridLayout.addWidget reference count
         w = QWidget()
         self.checkLayoutReference(QGridLayout(w))
 
     def testFormReference(self):
-        #QFormLayout.addWidget reference count
+        # QFormLayout.addWidget reference count
         w = QWidget()
         self.checkLayoutReference(QFormLayout(w))
 
     def testStackedReference(self):
-        #QStackedLayout.addWidget reference count
+        # QStackedLayout.addWidget reference count
         w = QWidget()
         self.checkLayoutReference(QStackedLayout(w))
 
+
 class MultipleAdd(UsesQApplication):
     '''Test case to check if refcount is incremented only once when multiple
     calls to addWidget are made with the same widget'''
@@ -119,21 +120,21 @@ class MultipleAdd(UsesQApplication):
     qapplication = True
 
     def setUp(self):
-        #Acquire resources
+        # Acquire resources
         super(MultipleAdd, self).setUp()
         self.widget = QPushButton('click me')
         self.win = QWidget()
         self.layout = QHBoxLayout(self.win)
 
     def tearDown(self):
-        #Release resources
+        # Release resources
         del self.widget
         del self.layout
         del self.win
         super(MultipleAdd, self).tearDown()
 
     def testRefCount(self):
-        #Multiple QLayout.addWidget calls on the same widget
+        # Multiple QLayout.addWidget calls on the same widget
         self.assertEqual(getrefcount(self.widget), 2)
         self.layout.addWidget(self.widget)
         self.assertEqual(getrefcount(self.widget), 3)
@@ -142,6 +143,7 @@ class MultipleAdd(UsesQApplication):
         self.layout.addWidget(self.widget)
         self.assertEqual(getrefcount(self.widget), 3)
 
+
 class InternalAdd(UsesQApplication):
     def testInternalRef(self):
         mw = QWidget()
diff --git a/sources/pyside6/tests/QtWidgets/qlayout_test.py b/sources/pyside6/tests/QtWidgets/qlayout_test.py
index 012d84da1..fa5e53e4f 100644
--- a/sources/pyside6/tests/QtWidgets/qlayout_test.py
+++ b/sources/pyside6/tests/QtWidgets/qlayout_test.py
@@ -64,6 +64,7 @@ class MyLayout(QLayout):
     def add(self, item):
         self._list.append(item)
 
+
 class MissingItemAtLayout(QLayout):
     def __init__(self, parent=None):
         QLayout.__init__(self, parent)
@@ -81,10 +82,11 @@ class MissingItemAtLayout(QLayout):
     def add(self, item):
         self._list.append(item)
 
-#Test if a layout implemented in python, the QWidget.setLayout works
-#fine because this implement som layout functions used in glue code of
-#QWidget, then in c++ when call a virtual function this need call the QLayout
-#function implemented in python
+# Test if a layout implemented in python, the QWidget.setLayout works
+# fine because this implement som layout functions used in glue code of
+# QWidget, then in c++ when call a virtual function this need call the QLayout
+# function implemented in python
+
 
 class QLayoutTest(UsesQApplication):
     def testOwnershipTransfer(self):
@@ -97,12 +99,11 @@ class QLayoutTest(UsesQApplication):
 
         w = QWidget()
 
-        #transfer ref
+        # transfer ref
         w.setLayout(l)
 
         self.assertEqual(sys.getrefcount(b), 3)
 
-
     def testReferenceTransfer(self):
         b = QPushButton("teste")
         l = QHBoxLayout()
@@ -144,5 +145,6 @@ class QLayoutTest(UsesQApplication):
         del w
         self.assertRaises(RuntimeError, spacer.isEmpty)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qlcdnumber_test.py b/sources/pyside6/tests/QtWidgets/qlcdnumber_test.py
index 55b289e2c..fb7c4b578 100644
--- a/sources/pyside6/tests/QtWidgets/qlcdnumber_test.py
+++ b/sources/pyside6/tests/QtWidgets/qlcdnumber_test.py
@@ -37,6 +37,7 @@ init_test_paths(False)
 
 from PySide6.QtWidgets import QApplication, QLCDNumber
 
+
 class QLCDNumberOverflow(unittest.TestCase):
     '''Test case for unhandled overflow on QLCDNumber() numDigits argument (see bug #215).'''
 
@@ -47,5 +48,6 @@ class QLCDNumberOverflow(unittest.TestCase):
         # NOTE: PyQt4 raises TypeError, but boost.python raises OverflowError
         self.assertRaises(OverflowError, QLCDNumber, 840835495615213080)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qlistwidget_test.py b/sources/pyside6/tests/QtWidgets/qlistwidget_test.py
index 5ca2507e9..64fc2f181 100644
--- a/sources/pyside6/tests/QtWidgets/qlistwidget_test.py
+++ b/sources/pyside6/tests/QtWidgets/qlistwidget_test.py
@@ -48,7 +48,7 @@ class QListWidgetTest(UsesQApplication):
 
         item = QListWidgetItem("item0")
         item.setData(Qt.UserRole, o)
-        #item._data = o
+        # item._data = o
         self.assertTrue(sys.getrefcount(o), 3)
         self.assertTrue(sys.getrefcount(item), 2)
         lst.addItem(item)
@@ -79,7 +79,7 @@ class QListWidgetTest(UsesQApplication):
     def testIt(self):
         lst = QListWidget()
         lst.show()
-        slot = lambda : lst.removeItemWidget(lst.currentItem())
+        slot = lambda: lst.removeItemWidget(lst.currentItem())
         lst.addItem(QListWidgetItem("foo"))
         QTimer.singleShot(0, slot)
         QTimer.singleShot(0, lst.close)
@@ -93,5 +93,6 @@ class QListWidgetTest(UsesQApplication):
         self.assertIsNone(lst.clear())
         self.assertRaises(RuntimeError, lambda: item.text())
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qlistwidgetitem_test.py b/sources/pyside6/tests/QtWidgets/qlistwidgetitem_test.py
index 7cfbfe3d1..5bfdcf496 100644
--- a/sources/pyside6/tests/QtWidgets/qlistwidgetitem_test.py
+++ b/sources/pyside6/tests/QtWidgets/qlistwidgetitem_test.py
@@ -59,5 +59,6 @@ class QListWidgetItemConstructor(UsesQApplication):
         # Bug 452 - QListWidgetItem() not casting NoneType to null correctly.
         item = QListWidgetItem(None, 123)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qmainwindow_test.py b/sources/pyside6/tests/QtWidgets/qmainwindow_test.py
index 4ed726eb4..017ffbbd0 100644
--- a/sources/pyside6/tests/QtWidgets/qmainwindow_test.py
+++ b/sources/pyside6/tests/QtWidgets/qmainwindow_test.py
@@ -52,6 +52,7 @@ class MainWindow(QMainWindow):
         pointerToolbar = self.addToolBar("Pointer type")
         pointerToolbar.addWidget(pointerButton)
 
+
 class MyButton(QPushButton):
     def __init__(self, parent=None):
         super().__init__()
diff --git a/sources/pyside6/tests/QtWidgets/qmenu_test.py b/sources/pyside6/tests/QtWidgets/qmenu_test.py
index 20d43069b..0033cd35d 100644
--- a/sources/pyside6/tests/QtWidgets/qmenu_test.py
+++ b/sources/pyside6/tests/QtWidgets/qmenu_test.py
@@ -41,6 +41,7 @@ from PySide6.QtCore import SLOT
 
 from helper.usesqapplication import UsesQApplication
 
+
 class QMenuAddAction(UsesQApplication):
 
     def setUp(self):
@@ -53,17 +54,18 @@ class QMenuAddAction(UsesQApplication):
 
     def testAddActionWithoutKeySequenceCallable(self):
         # bug #280
-        action = self.menu.addAction(self.app.tr('aaa'), lambda : 1)
+        action = self.menu.addAction(self.app.tr('aaa'), lambda: 1)
 
     def testAddActionKeySequenceCallable(self):
         # bug #228
-        action = self.menu.addAction(self.app.tr('aaa'), lambda : 1,
+        action = self.menu.addAction(self.app.tr('aaa'), lambda: 1,
                                     QKeySequence(self.app.tr('Ctrl+O')))
 
     def testAddActionKeySequenceSlot(self):
         action = self.menu.addAction('Quit', self.app, SLOT('quit()'),
                                     QKeySequence('Ctrl+O'))
 
+
 class QMenuAddActionWithIcon(UsesQApplication):
 
     def setUp(self):
@@ -78,16 +80,17 @@ class QMenuAddActionWithIcon(UsesQApplication):
 
     def testAddActionWithoutKeySequenceCallable(self):
         # bug #280
-        action = self.menu.addAction(self.icon, self.app.tr('aaa'), lambda : 1)
+        action = self.menu.addAction(self.icon, self.app.tr('aaa'), lambda: 1)
 
     def testAddActionKeySequenceCallable(self):
         # bug #228
-        action = self.menu.addAction(self.icon, self.app.tr('aaa'), lambda : 1,
+        action = self.menu.addAction(self.icon, self.app.tr('aaa'), lambda: 1,
                                     QKeySequence(self.app.tr('Ctrl+O')))
 
     def testAddActionKeySequenceSlot(self):
         action = self.menu.addAction(self.icon, 'Quit', self.app, SLOT('quit()'),
                                     QKeySequence('Ctrl+O'))
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qmenuadd_test.py b/sources/pyside6/tests/QtWidgets/qmenuadd_test.py
index cbe738e53..c7f2ff74f 100644
--- a/sources/pyside6/tests/QtWidgets/qmenuadd_test.py
+++ b/sources/pyside6/tests/QtWidgets/qmenuadd_test.py
@@ -55,5 +55,6 @@ class QMenuAddAction(UsesQApplication):
         addNewAction.trigger()
         self.assertEqual(self.arg, ())
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qobject_mi_test.py b/sources/pyside6/tests/QtWidgets/qobject_mi_test.py
index 6251f757c..169ee5279 100644
--- a/sources/pyside6/tests/QtWidgets/qobject_mi_test.py
+++ b/sources/pyside6/tests/QtWidgets/qobject_mi_test.py
@@ -59,15 +59,15 @@ class DoubleQObjectInheritanceTest(UsesQApplication):
 
         obj = WidgetValidator()
 
-        #QObject methods
+        # QObject methods
         obj.setObjectName('aaaa')
         self.assertEqual(obj.objectName(), 'aaaa')
 
-        #QWidget methods
+        # QWidget methods
         obj.setVisible(False)
         self.assertFalse(obj.isVisible())
 
-        #QIntValidator methods
+        # QIntValidator methods
         state, string, number = obj.validate('aaaa', 0)
         self.assertEqual(state, QValidator.Invalid)
         state, string, number = obj.validate('33', 0)
diff --git a/sources/pyside6/tests/QtWidgets/qpen_test.py b/sources/pyside6/tests/QtWidgets/qpen_test.py
index c833ebd92..2707fc931 100644
--- a/sources/pyside6/tests/QtWidgets/qpen_test.py
+++ b/sources/pyside6/tests/QtWidgets/qpen_test.py
@@ -41,6 +41,7 @@ from PySide6.QtCore import Qt, QTimer
 from PySide6.QtGui import QPen, QPainter
 from PySide6.QtWidgets import QWidget
 
+
 class Painting(QWidget):
     def __init__(self):
         super().__init__()
diff --git a/sources/pyside6/tests/QtWidgets/qpicture_test.py b/sources/pyside6/tests/QtWidgets/qpicture_test.py
index c8f485142..06364e4be 100644
--- a/sources/pyside6/tests/QtWidgets/qpicture_test.py
+++ b/sources/pyside6/tests/QtWidgets/qpicture_test.py
@@ -40,18 +40,20 @@ from PySide6.QtCore import QTimer
 from PySide6.QtGui import QPicture, QPainter
 from PySide6.QtWidgets import QWidget
 
+
 class MyWidget(QWidget):
     def paintEvent(self, e):
         p = QPainter(self)
         p.drawPicture(0, 0, self._picture)
         self._app.quit()
 
+
 class QPictureTest(UsesQApplication):
     def testFromData(self):
         picture = QPicture()
         painter = QPainter()
         painter.begin(picture)
-        painter.drawEllipse(10,20, 80,70)
+        painter.drawEllipse(10, 20, 80, 70)
         painter.end()
 
         data = picture.data()
@@ -67,6 +69,7 @@ class QPictureTest(UsesQApplication):
         QTimer.singleShot(300, w.show)
         self.app.exec_()
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qpixmap_constructor.py b/sources/pyside6/tests/QtWidgets/qpixmap_constructor.py
index 10d873abe..81afc3792 100644
--- a/sources/pyside6/tests/QtWidgets/qpixmap_constructor.py
+++ b/sources/pyside6/tests/QtWidgets/qpixmap_constructor.py
@@ -274,6 +274,7 @@ xpm = [
     ". ( A ~+{+]+^+l > /+D f.c q . + . . + + . + + + + + + "
 ]
 
+
 class QStringSequenceTest(UsesQApplication):
     def testQPixmapConstructor(self):
         label = QLabel()
@@ -282,5 +283,6 @@ class QStringSequenceTest(UsesQApplication):
         self.assertEqual(pixmap1.width(), 27)
         self.assertEqual(pixmap1.height(), 22)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qpushbutton_test.py b/sources/pyside6/tests/QtWidgets/qpushbutton_test.py
index f126f58b6..78cfe75da 100644
--- a/sources/pyside6/tests/QtWidgets/qpushbutton_test.py
+++ b/sources/pyside6/tests/QtWidgets/qpushbutton_test.py
@@ -39,6 +39,7 @@ from helper.usesqapplication import UsesQApplication
 from PySide6.QtWidgets import QPushButton, QMenu, QWidget
 from PySide6.QtCore import QTimer
 
+
 class MyWidget(QWidget):
     def __init__(self):
         super().__init__()
@@ -71,6 +72,7 @@ class QPushButtonTest(UsesQApplication):
         b.toggle()
         self.assertTrue(self._clicked)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qshortcut_test.py b/sources/pyside6/tests/QtWidgets/qshortcut_test.py
index 4fefcca64..392f9dff6 100644
--- a/sources/pyside6/tests/QtWidgets/qshortcut_test.py
+++ b/sources/pyside6/tests/QtWidgets/qshortcut_test.py
@@ -43,6 +43,7 @@ from PySide6.QtCore import Qt, QTimer
 from PySide6.QtGui import QKeySequence, QShortcut
 from PySide6.QtWidgets import QApplication, QWidget
 
+
 class Foo(QWidget):
     def __init__(self):
         super().__init__()
@@ -55,6 +56,7 @@ class Foo(QWidget):
     def slot_of_copy(self):
         self.copy = True
 
+
 class MyShortcut(QShortcut):
     def __init__(self, keys, wdg, slot):
         QShortcut.__init__(self, keys, wdg, slot)
@@ -62,6 +64,7 @@ class MyShortcut(QShortcut):
     def emit_signal(self):
         self.activated.emit()
 
+
 class QAppPresence(unittest.TestCase):
 
     def testQShortcut(self):
@@ -70,15 +73,16 @@ class QAppPresence(unittest.TestCase):
 
         self.sc = MyShortcut(QKeySequence(Qt.Key_Return), f, f.slot_of_foo)
         self.scstd = MyShortcut(QKeySequence.Copy, f, f.slot_of_copy)
-        QTimer.singleShot(0, self.init);
+        QTimer.singleShot(0, self.init)
         self.qapp.exec_()
         self.assertEqual(f.ok, True)
         self.assertEqual(f.copy, True)
 
     def init(self):
-        self.sc.emit_signal();
-        self.scstd.emit_signal();
+        self.sc.emit_signal()
+        self.scstd.emit_signal()
         self.qapp.quit()
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qsplitter_test.py b/sources/pyside6/tests/QtWidgets/qsplitter_test.py
index 20d0209bb..cce68f2d7 100644
--- a/sources/pyside6/tests/QtWidgets/qsplitter_test.py
+++ b/sources/pyside6/tests/QtWidgets/qsplitter_test.py
@@ -39,6 +39,7 @@ from PySide6.QtWidgets import QSplitter
 
 from helper.usesqapplication import UsesQApplication
 
+
 class QSplitterTest(UsesQApplication):
 
     def testGetRange(self):
@@ -47,6 +48,7 @@ class QSplitterTest(UsesQApplication):
         self.assertTrue(isinstance(_min, int))
         self.assertTrue(isinstance(_max, int))
 
+
 if __name__ == "__main__":
-   unittest.main()
+    unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qstandarditemmodel_test.py b/sources/pyside6/tests/QtWidgets/qstandarditemmodel_test.py
index 2061f174d..ddc9d2245 100644
--- a/sources/pyside6/tests/QtWidgets/qstandarditemmodel_test.py
+++ b/sources/pyside6/tests/QtWidgets/qstandarditemmodel_test.py
@@ -44,14 +44,14 @@ from helper.usesqapplication import UsesQApplication
 class QStandardItemModelTest(UsesQApplication):
 
     def setUp(self):
-       super(QStandardItemModelTest, self).setUp()
-       self.window = QWidget()
-       self.model = QStandardItemModel(0, 3, self.window)
+        super(QStandardItemModelTest, self).setUp()
+        self.window = QWidget()
+        self.model = QStandardItemModel(0, 3, self.window)
 
     def tearDown(self):
-       del self.window
-       del self.model
-       super(QStandardItemModelTest, self).tearDown()
+        del self.window
+        del self.model
+        super(QStandardItemModelTest, self).tearDown()
 
     def testInsertRow(self):
         # bug #227
@@ -92,7 +92,7 @@ class QStandardItemModelRef(UsesQApplication):
                 # only rest 1 reference
                 self.assertEqual(sys.getrefcount(items[r][c]), 2)
 
-        my_i = model.item(0,0)
+        my_i = model.item(0, 0)
         # ref(my_i) + parent_ref + items list ref
         self.assertEqual(sys.getrefcount(my_i), 4)
 
diff --git a/sources/pyside6/tests/QtWidgets/qstring_qkeysequence_test.py b/sources/pyside6/tests/QtWidgets/qstring_qkeysequence_test.py
index c8f6c2dbc..85ae7b65b 100644
--- a/sources/pyside6/tests/QtWidgets/qstring_qkeysequence_test.py
+++ b/sources/pyside6/tests/QtWidgets/qstring_qkeysequence_test.py
@@ -63,6 +63,7 @@ class QStringQKeySequenceTest(UsesQApplication):
         self.assertTrue(isinstance(shortcut, QKeySequence))
         self.assertEqual(shortcut.toString(), keyseq)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qstyle_test.py b/sources/pyside6/tests/QtWidgets/qstyle_test.py
index 1b0208a62..6993e8b90 100644
--- a/sources/pyside6/tests/QtWidgets/qstyle_test.py
+++ b/sources/pyside6/tests/QtWidgets/qstyle_test.py
@@ -42,6 +42,7 @@ from PySide6.QtGui import QWindow
 from PySide6.QtWidgets import (QApplication, QFontComboBox, QLabel, QProxyStyle,
     QStyleFactory, QWidget)
 
+
 class ProxyStyle(QProxyStyle):
 
     def __init__(self, style):
@@ -84,7 +85,7 @@ class SetStyleTest(UsesQApplication):
         label.setStyle(proxyStyle)
         label.show()
         while not label.windowHandle().isExposed():
-           QApplication.instance().processEvents()
+            QApplication.instance().processEvents()
         self.assertTrue(proxyStyle.polished > 0)
 
     def testSetStyleOwnership(self):
diff --git a/sources/pyside6/tests/QtWidgets/qtableview_test.py b/sources/pyside6/tests/QtWidgets/qtableview_test.py
index a8b524527..8e457d781 100644
--- a/sources/pyside6/tests/QtWidgets/qtableview_test.py
+++ b/sources/pyside6/tests/QtWidgets/qtableview_test.py
@@ -39,6 +39,7 @@ from PySide6.QtCore import QAbstractTableModel
 from PySide6.QtWidgets import QTableWidget
 from helper.usesqapplication import UsesQApplication
 
+
 class QPenTest(UsesQApplication):
 
     def testItemModel(self):
@@ -46,6 +47,7 @@ class QPenTest(UsesQApplication):
 
         self.assertEqual(type(tv.model()), QAbstractTableModel)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qtabwidget_test.py b/sources/pyside6/tests/QtWidgets/qtabwidget_test.py
index a302dabfe..aeccf6118 100644
--- a/sources/pyside6/tests/QtWidgets/qtabwidget_test.py
+++ b/sources/pyside6/tests/QtWidgets/qtabwidget_test.py
@@ -43,6 +43,7 @@ def makeBug643(tab):
     button = QPushButton('Foo')
     tab.insertTab(0, button, 'Foo')
 
+
 class RemoveTabMethod(TimedQApplication):
     def setUp(self):
         TimedQApplication.setUp(self)
@@ -52,7 +53,6 @@ class RemoveTabMethod(TimedQApplication):
         del self.tab
         TimedQApplication.tearDown(self)
 
-
     def testRemoveTabPresence(self):
         self.assertTrue(getattr(self.tab, 'removeTab'))
 
@@ -60,5 +60,6 @@ class RemoveTabMethod(TimedQApplication):
         makeBug643(self.tab)
         self.assertEqual(self.tab.count(), 1)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qtabwidgetclear_test.py b/sources/pyside6/tests/QtWidgets/qtabwidgetclear_test.py
index ff87f2bc2..cc3282361 100644
--- a/sources/pyside6/tests/QtWidgets/qtabwidgetclear_test.py
+++ b/sources/pyside6/tests/QtWidgets/qtabwidgetclear_test.py
@@ -38,6 +38,7 @@ init_test_paths(False)
 from PySide6.QtWidgets import QMainWindow, QTabWidget, QTextEdit, QSplitter
 from helper.usesqapplication import UsesQApplication
 
+
 class TabWidgetClear(QMainWindow):
     def __init__(self):
         super().__init__()
@@ -55,6 +56,7 @@ class TabWidgetClear(QMainWindow):
         self.tabWidget.clear()
         self.getSplitter()
 
+
 class TestTabWidgetClear(UsesQApplication):
 
     def testClear(self):
@@ -66,5 +68,6 @@ class TestTabWidgetClear(UsesQApplication):
             # This should never happened, PYSIDE-213
             raise e
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qtextedit_signal_test.py b/sources/pyside6/tests/QtWidgets/qtextedit_signal_test.py
index 964e187f9..534527cac 100644
--- a/sources/pyside6/tests/QtWidgets/qtextedit_signal_test.py
+++ b/sources/pyside6/tests/QtWidgets/qtextedit_signal_test.py
@@ -69,6 +69,7 @@ class testSignalWithCPPSlot(UsesQApplication):
         w.start()
         self.assertEqual(w.text(), "PySide")
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qtextedit_test.py b/sources/pyside6/tests/QtWidgets/qtextedit_test.py
index 241197f45..28f435f94 100644
--- a/sources/pyside6/tests/QtWidgets/qtextedit_test.py
+++ b/sources/pyside6/tests/QtWidgets/qtextedit_test.py
@@ -42,6 +42,7 @@ from PySide6.QtWidgets import QTextEdit
 
 from helper.usesqapplication import UsesQApplication
 
+
 class DontTouchReference(UsesQApplication):
     '''Check if the QTextTable returned by QTextCursor.insertTable() is not
     referenced by the QTextCursor that returns it.'''
@@ -64,5 +65,6 @@ class DontTouchReference(UsesQApplication):
         self.assertEqual(getrefcount(self.table), 2)
         cell = self.table.cellAt(0, 0)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qtoolbar_test.py b/sources/pyside6/tests/QtWidgets/qtoolbar_test.py
index 3e5ae7194..3f86c3f98 100644
--- a/sources/pyside6/tests/QtWidgets/qtoolbar_test.py
+++ b/sources/pyside6/tests/QtWidgets/qtoolbar_test.py
@@ -42,29 +42,31 @@ from PySide6.QtWidgets import QToolBar, QMainWindow
 
 from helper.usesqapplication import UsesQApplication
 
+
 class AddActionText(UsesQApplication):
     '''Test case for calling QToolbar.addAction passing a text'''
 
     def setUp(self):
-        #Acquire resources
+        # Acquire resources
         super(AddActionText, self).setUp()
         self.window = QMainWindow()
         self.toolbar = QToolBar()
         self.window.addToolBar(self.toolbar)
 
     def tearDown(self):
-        #Release resources
+        # Release resources
         super(AddActionText, self).tearDown()
         del self.toolbar
         del self.window
 
     def testText(self):
-        #QToolBar.addAction(text) - add a QToolButton
+        # QToolBar.addAction(text) - add a QToolButton
         self.toolbar.addAction('aaaa')
         self.assertEqual(len(self.toolbar.actions()), 1)
         action = self.toolbar.actions()[0]
         self.assertTrue(isinstance(action, QAction))
         self.assertEqual(action.text(), 'aaaa')
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qtoolbox_test.py b/sources/pyside6/tests/QtWidgets/qtoolbox_test.py
index e9b69821a..79c447fd7 100644
--- a/sources/pyside6/tests/QtWidgets/qtoolbox_test.py
+++ b/sources/pyside6/tests/QtWidgets/qtoolbox_test.py
@@ -40,6 +40,7 @@ from PySide6.QtWidgets import QToolBox, QWidget
 
 from helper.usesqapplication import UsesQApplication
 
+
 class OwnershipControl(UsesQApplication):
 
     def setUp(self):
diff --git a/sources/pyside6/tests/QtWidgets/qtreeview_test.py b/sources/pyside6/tests/QtWidgets/qtreeview_test.py
index cbaed8c83..fbbbd6cef 100644
--- a/sources/pyside6/tests/QtWidgets/qtreeview_test.py
+++ b/sources/pyside6/tests/QtWidgets/qtreeview_test.py
@@ -41,6 +41,7 @@ from PySide6.QtWidgets import (QWidget, QTreeView, QVBoxLayout,
 from PySide6.QtCore import Qt
 from helper.usesqapplication import UsesQApplication
 
+
 class Widget(QWidget):
     def __init__(self, parent=None):
         QWidget.__init__(self, parent)
@@ -52,6 +53,7 @@ class Widget(QWidget):
 
         self.treeView.model().setHorizontalHeaderLabels(('3', '1', '5'))
 
+
 class QWidgetTest(UsesQApplication):
 
     def testDelegates(self):
@@ -99,5 +101,6 @@ class QWidgetTest(UsesQApplication):
         tree.setHeader(QHeaderView(Qt.Horizontal))
         self.assertIsNotNone(tree.header())
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qtreewidget_test.py b/sources/pyside6/tests/QtWidgets/qtreewidget_test.py
index dbbad1c6d..2ed85b5c5 100644
--- a/sources/pyside6/tests/QtWidgets/qtreewidget_test.py
+++ b/sources/pyside6/tests/QtWidgets/qtreewidget_test.py
@@ -38,6 +38,7 @@ init_test_paths(False)
 from PySide6.QtWidgets import QTreeWidget, QTreeWidgetItem, QPushButton
 from helper.usesqapplication import UsesQApplication
 
+
 class QTreeWidgetTest(UsesQApplication):
 
     # PYSIDE-73:
@@ -58,14 +59,15 @@ class QTreeWidgetTest(UsesQApplication):
             QPushButton('Push button on column 1'))
 
         # Getting the widget back
-        w = treeWidget.itemWidget(treeWidget.itemAt(0,1), 1)
+        w = treeWidget.itemWidget(treeWidget.itemAt(0, 1), 1)
         self.assertIsInstance(w, QPushButton)
 
         p = QPushButton('New independent button')
         # Adding QPushButton object from variable
         treeWidget.setItemWidget(item, 0, p)
-        w = treeWidget.itemWidget(treeWidget.itemAt(0,0), 0)
+        w = treeWidget.itemWidget(treeWidget.itemAt(0, 0), 0)
         self.assertIsInstance(w, QPushButton)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qvariant_test.py b/sources/pyside6/tests/QtWidgets/qvariant_test.py
index 49091502f..2907fb966 100644
--- a/sources/pyside6/tests/QtWidgets/qvariant_test.py
+++ b/sources/pyside6/tests/QtWidgets/qvariant_test.py
@@ -40,12 +40,15 @@ from PySide6.QtWidgets import (QApplication, QComboBox, QGraphicsScene,
 
 from helper.usesqapplication import UsesQApplication
 
+
 class MyDiagram(QGraphicsScene):
     pass
 
+
 class MyItem(QGraphicsRectItem):
     def itemChange(self, change, value):
-        return value;
+        return value
+
 
 class Sequence(object):
     # Having the __getitem__ method on a class transform the Python
@@ -57,6 +60,7 @@ class Sequence(object):
     def __getitem__(self, key):
         raise IndexError()
 
+
 class QGraphicsSceneOnQVariantTest(UsesQApplication):
     """Test storage ot QGraphicsScene into QVariants"""
     def setUp(self):
@@ -80,5 +84,6 @@ class QGraphicsSceneOnQVariantTest(UsesQApplication):
         self.combo.addItem("test", userData=Sequence())
         self.assertTrue(isinstance(self.combo.itemData(0), Sequence))
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/qwidget_setlayout_test.py b/sources/pyside6/tests/QtWidgets/qwidget_setlayout_test.py
index 807965e20..02ab052ee 100644
--- a/sources/pyside6/tests/QtWidgets/qwidget_setlayout_test.py
+++ b/sources/pyside6/tests/QtWidgets/qwidget_setlayout_test.py
@@ -40,6 +40,7 @@ init_test_paths(False)
 from PySide6.QtWidgets import QWidget, QVBoxLayout, QPushButton, QApplication, QHBoxLayout
 from helper.usesqapplication import UsesQApplication
 
+
 class QWidgetTest(UsesQApplication):
 
     def test_setLayout(self):
@@ -63,6 +64,7 @@ class QWidgetTest(UsesQApplication):
         widget = QWidget()
         widget.setLayout(layout)
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/qwidget_test.py b/sources/pyside6/tests/QtWidgets/qwidget_test.py
index 5b8bdd5a0..4a90648f6 100644
--- a/sources/pyside6/tests/QtWidgets/qwidget_test.py
+++ b/sources/pyside6/tests/QtWidgets/qwidget_test.py
@@ -39,10 +39,12 @@ init_test_paths(False)
 from PySide6.QtWidgets import QWidget, QMainWindow
 from helper.usesqapplication import UsesQApplication
 
+
 class QWidgetInherit(QMainWindow):
     def __init__(self):
         QWidget.__init__(self)  # Intended: Initialize QWidget instead of base
 
+
 class NativeEventTestWidget(QWidget):
 
     nativeEventCount = 0
@@ -54,11 +56,13 @@ class NativeEventTestWidget(QWidget):
         self.nativeEventCount = self.nativeEventCount + 1
         return [False, 0]
 
+
 class QWidgetTest(UsesQApplication):
 
     def testInheritance(self):
         self.assertRaises(TypeError, QWidgetInherit)
 
+
 class QWidgetVisible(UsesQApplication):
 
     def testBasic(self):
@@ -77,5 +81,6 @@ class QWidgetVisible(UsesQApplication):
             self.app.processEvents()
         self.assertTrue(widget.nativeEventCount > 0)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/reference_count_test.py b/sources/pyside6/tests/QtWidgets/reference_count_test.py
index 8ca382561..00ebab4c3 100644
--- a/sources/pyside6/tests/QtWidgets/reference_count_test.py
+++ b/sources/pyside6/tests/QtWidgets/reference_count_test.py
@@ -48,14 +48,17 @@ from helper.usesqapplication import UsesQApplication
 destroyedRect = False
 destroyedPol = False
 
+
 def rect_del(o):
     global destroyedRect
     destroyedRect = True
 
+
 def pol_del(o):
     global destroyedPol
     destroyedPol = True
 
+
 class ReferenceCount(UsesQApplication):
 
     def setUp(self):
@@ -71,7 +74,7 @@ class ReferenceCount(UsesQApplication):
         self.assertTrue(isinstance(pol, QGraphicsPolygonItem))
         self.wrp = weakref.ref(pol, pol_del)
 
-        #refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
+        # refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
         self.assertEqual(sys.getrefcount(pol), 3)
 
     def testReferenceCount(self):
@@ -85,19 +88,20 @@ class ReferenceCount(UsesQApplication):
 
         self.wrr = weakref.ref(rect, rect_del)
 
-        #refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
+        # refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
         self.assertEqual(sys.getrefcount(rect), 3)
 
         del rect
-        #not destroyed because one ref continue in QGraphicsScene
+        # not destroyed because one ref continue in QGraphicsScene
         self.assertEqual(destroyedRect, False)
         self.assertEqual(destroyedPol, False)
 
         del self.scene
 
-        #QGraphicsScene was destroyed and this destroy internal ref to rect
+        # QGraphicsScene was destroyed and this destroy internal ref to rect
         self.assertEqual(destroyedRect, True)
         self.assertEqual(destroyedPol, True)
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/signature_test.py b/sources/pyside6/tests/QtWidgets/signature_test.py
index c18048b8e..94224c6ae 100644
--- a/sources/pyside6/tests/QtWidgets/signature_test.py
+++ b/sources/pyside6/tests/QtWidgets/signature_test.py
@@ -89,5 +89,6 @@ class PySideSignatureTest(unittest.TestCase):
         called_default = sig.parameters["exclude"].default()
         self.assertEqual(type(called_default), PySide6.QtCore.QByteArray)
 
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/sources/pyside6/tests/QtWidgets/standardpixmap_test.py b/sources/pyside6/tests/QtWidgets/standardpixmap_test.py
index 900d5fb75..c6e696807 100644
--- a/sources/pyside6/tests/QtWidgets/standardpixmap_test.py
+++ b/sources/pyside6/tests/QtWidgets/standardpixmap_test.py
@@ -40,11 +40,13 @@ from PySide6.QtWidgets import QStyle
 
 from helper.usesqapplication import UsesQApplication
 
+
 class StandardPixmapTest(UsesQApplication):
-    def testDefaultOptions(self): # Bug 253
+    def testDefaultOptions(self):  # Bug 253
         pixmap = self.app.style().standardPixmap(QStyle.SP_DirClosedIcon)
         self.assertTrue(isinstance(pixmap, QPixmap))
 
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/sources/pyside6/tests/QtWidgets/test_module_template.py b/sources/pyside6/tests/QtWidgets/test_module_template.py
index 0f080fe99..83c1fce4b 100644
--- a/sources/pyside6/tests/QtWidgets/test_module_template.py
+++ b/sources/pyside6/tests/QtWidgets/test_module_template.py
@@ -38,12 +38,15 @@ init_test_paths()
 from PySide6.QtWidgets import QWidget
 from PySide6.QtCore import QObject
 
+
 class MyQObject(QObject):
     pass
 
+
 class MyQWidget(QWidget):
     pass
 
+
 class Sentinel():
     value = 10
 
diff --git a/sources/pyside6/tests/QtWidgets/virtual_protected_inheritance_test.py b/sources/pyside6/tests/QtWidgets/virtual_protected_inheritance_test.py
index 5fd685f01..afe09f0c1 100644
--- a/sources/pyside6/tests/QtWidgets/virtual_protected_inheritance_test.py
+++ b/sources/pyside6/tests/QtWidgets/virtual_protected_inheritance_test.py
@@ -42,11 +42,12 @@ from PySide6.QtWidgets import QApplication, QSpinBox
 
 from helper.usesqapplication import UsesQApplication
 
+
 class MySpinButton(QSpinBox):
     '''Simple example class of overriding QObject.timerEvent'''
 
     def __init__(self, max_runs=5, app=None):
-        #Creates a new spinbox that will run <max_runs> and quit <app>
+        # Creates a new spinbox that will run <max_runs> and quit <app>
         super().__init__()
 
         if app is None:
@@ -57,7 +58,7 @@ class MySpinButton(QSpinBox):
         self.runs = 0
 
     def timerEvent(self, event):
-        #Timer event method
+        # Timer event method
         self.runs += 1
 
         self.setValue(self.runs)
@@ -68,23 +69,24 @@ class MySpinButton(QSpinBox):
         if not isinstance(event, QTimerEvent):
             raise TypeError('Invalid event type. Must be TimerEvent')
 
+
 class TimerEventTest(UsesQApplication):
     '''Test case for running QObject.timerEvent from inherited class'''
 
     qapplication = True
 
     def setUp(self):
-        #Acquire resources
+        # Acquire resources
         super(TimerEventTest, self).setUp()
         self.widget = MySpinButton(app=self.app)
 
     def tearDown(self):
-        #Release resources
+        # Release resources
         del self.widget
         super(TimerEventTest, self).tearDown()
 
     def testMethod(self):
-        #QWidget.timerEvent overrinding (protected inherited)
+        # QWidget.timerEvent overrinding (protected inherited)
         timer_id = self.widget.startTimer(0)
 
         self.app.exec_()
diff --git a/sources/pyside6/tests/QtWidgets/virtual_pure_override_test.py b/sources/pyside6/tests/QtWidgets/virtual_pure_override_test.py
index f6c29425b..8629af5b7 100644
--- a/sources/pyside6/tests/QtWidgets/virtual_pure_override_test.py
+++ b/sources/pyside6/tests/QtWidgets/virtual_pure_override_test.py
@@ -44,6 +44,7 @@ from helper.usesqapplication import UsesQApplication
 
 qgraphics_item_painted = False
 
+
 class RoundRectItem(QGraphicsRectItem):
 
     def __init__(self, x, y, w, h):
diff --git a/sources/pyside6/tests/QtWidgets/wrong_return_test.py b/sources/pyside6/tests/QtWidgets/wrong_return_test.py
index 134acef14..f9267f3fa 100644
--- a/sources/pyside6/tests/QtWidgets/wrong_return_test.py
+++ b/sources/pyside6/tests/QtWidgets/wrong_return_test.py
@@ -52,6 +52,7 @@ class MyWidget(QWidget):
     def sizeHint(self):
         pass
 
+
 class testCase(UsesQApplication):
 
     def testVirtualReturn(self):