examples: fix unused imports and minor errors in 'widgets'

Change-Id: I0aad3aefb2f036bf4edc2d0942f007045d605e26
Reviewed-by: Adrian Herrmann <adrian.herrmann@qt.io>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

47 files changed, 88 insertions, 105 deletions

diff --git a/examples/widgets/animation/animatedtiles/animatedtiles.py b/examples/widgets/animation/animatedtiles/animatedtiles.py
index 6ef62c2fd..b621ec117 100644
--- a/examples/widgets/animation/animatedtiles/animatedtiles.py
+++ b/examples/widgets/animation/animatedtiles/animatedtiles.py
@@ -8,11 +8,11 @@ import math
 from PySide6.QtCore import (QEasingCurve, QObject, QParallelAnimationGroup,
                             QPointF, QPropertyAnimation, QRandomGenerator,
                             QRectF, QTimer, Qt, Property, Signal)
-from PySide6.QtGui import (QBrush, QColor, QLinearGradient, QPainter,
+from PySide6.QtGui import (QBrush, QLinearGradient, QPainter,
                            QPainterPath, QPixmap, QTransform)
 from PySide6.QtWidgets import (QApplication, QGraphicsItem, QGraphicsPixmapItem,
                                QGraphicsRectItem, QGraphicsScene, QGraphicsView,
-                               QGraphicsWidget, QStyle, QWidget)
+                               QGraphicsWidget, QStyle)
 from PySide6.QtStateMachine import QState, QStateMachine
 
 import animatedtiles_rc
diff --git a/examples/widgets/animation/appchooser/appchooser.py b/examples/widgets/animation/appchooser/appchooser.py
index 5421c8c2f..e49f37dec 100644
--- a/examples/widgets/animation/appchooser/appchooser.py
+++ b/examples/widgets/animation/appchooser/appchooser.py
@@ -8,7 +8,7 @@ from PySide6.QtCore import (QPointF, QPropertyAnimation, QRect, QRectF, Qt,
                             Signal)
 from PySide6.QtGui import QPixmap
 from PySide6.QtWidgets import (QApplication, QGraphicsScene, QGraphicsView,
-                               QGraphicsWidget, QWidget)
+                               QGraphicsWidget)
 from PySide6.QtStateMachine import QState, QStateMachine
 
 import appchooser_rc
diff --git a/examples/widgets/animation/easing/easing.py b/examples/widgets/animation/easing/easing.py
index 58341c0cf..88c57eaa1 100644
--- a/examples/widgets/animation/easing/easing.py
+++ b/examples/widgets/animation/easing/easing.py
@@ -8,10 +8,10 @@ import sys
 from PySide6.QtCore import (Property, QEasingCurve, QObject, QPropertyAnimation,
                             QPoint, QPointF, QRect, QRectF, QSize, Qt)
 from PySide6.QtGui import (QBrush, QColor, QIcon, QLinearGradient, QPainter,
-                           QPainterPath, QPen, QPixmap)
+                           QPainterPath, QPixmap)
 from PySide6.QtWidgets import (QApplication, QGraphicsPixmapItem,
-                               QGraphicsItem, QGraphicsScene, QGraphicsView,
-                               QListWidget, QListWidgetItem, QWidget)
+                               QGraphicsItem, QGraphicsScene,
+                               QListWidgetItem, QWidget)
 
 from ui_form import Ui_Form
 
diff --git a/examples/widgets/animation/states/states.py b/examples/widgets/animation/states/states.py
index fa37c7b09..9b85e8373 100644
--- a/examples/widgets/animation/states/states.py
+++ b/examples/widgets/animation/states/states.py
@@ -12,7 +12,7 @@ from PySide6.QtWidgets import (QApplication, QGraphicsLinearLayout,
                                QGraphicsObject, QGraphicsProxyWidget,
                                QGraphicsWidget, QGraphicsScene, QGraphicsView,
                                QGroupBox, QPushButton, QRadioButton,
-                               QTextEdit, QVBoxLayout, QWidget)
+                               QTextEdit, QVBoxLayout)
 
 from PySide6.QtStateMachine import QState, QStateMachine
 
diff --git a/examples/widgets/dialogs/classwizard/classwizard.py b/examples/widgets/dialogs/classwizard/classwizard.py
index d76eaa754..b657308e0 100644
--- a/examples/widgets/dialogs/classwizard/classwizard.py
+++ b/examples/widgets/dialogs/classwizard/classwizard.py
@@ -6,14 +6,12 @@ import os
 from pathlib import Path
 import sys
 
-from PySide6.QtCore import (QByteArray, QDir, QFile, QFileInfo,
-                            QRegularExpression, Qt, QUrl, Slot)
+from PySide6.QtCore import QDir, QFileInfo, QUrl, Slot
 from PySide6.QtGui import QDesktopServices, QPixmap
 from PySide6.QtWidgets import (QApplication, QComboBox, QCheckBox, QFormLayout,
-                               QFileDialog, QGroupBox, QGridLayout,
-                               QHBoxLayout, QLabel, QLineEdit, QMessageBox,
-                               QPushButton, QRadioButton, QToolButton,
-                               QVBoxLayout, QWizard, QWizardPage)
+                               QFileDialog, QHBoxLayout, QLabel, QLineEdit,
+                               QMessageBox, QToolButton, QVBoxLayout, QWizard,
+                               QWizardPage)
 
 from listchooser import ListChooser, PropertyChooser, SignalChooser
 
@@ -77,7 +75,7 @@ class ClassWizard(QWizard):
         """Overrides QWizard.nextId() to insert the property/signal
            page in case the class is a QObject."""
         idx = self.currentId()
-        if self.currentId() == self._class_info_index:
+        if idx == self._class_info_index:
             qobject = self.field('qobject')
             return self._qobject_index if qobject else self._output_index
         return super(ClassWizard, self).nextId()
@@ -177,7 +175,7 @@ class ClassWizard(QWizard):
         block += '):\n'
 
         if base_class:
-            block += f'        super().__init__('
+            block += '        super().__init__('
             if qobject:
                 block += 'parent'
             block += ')\n'
diff --git a/examples/widgets/dialogs/classwizard/listchooser.py b/examples/widgets/dialogs/classwizard/listchooser.py
index a51c963c4..bf15be88c 100644
--- a/examples/widgets/dialogs/classwizard/listchooser.py
+++ b/examples/widgets/dialogs/classwizard/listchooser.py
@@ -1,14 +1,13 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-from PySide6.QtCore import (QCoreApplication, QDir, QRegularExpression, Qt,
-                            Property, Slot)
+from PySide6.QtCore import QRegularExpression, Property, Slot
 from PySide6.QtGui import QRegularExpressionValidator
 from PySide6.QtWidgets import (QComboBox, QDialog, QDialogButtonBox,
                                QFormLayout, QGroupBox, QHBoxLayout,
-                               QInputDialog, QLineEdit, QListWidget,
+                               QLineEdit, QListWidget,
                                QListWidgetItem, QPushButton, QVBoxLayout,
-                               QWidget)
+                               )
 
 
 DEFAULT_TYPES = ['int', 'str', 'PySide6.QtCore.QPoint', 'PySide6.QtCore.QRect',
diff --git a/examples/widgets/dialogs/findfiles/findfiles.py b/examples/widgets/dialogs/findfiles/findfiles.py
index 188888eee..7f2093c42 100644
--- a/examples/widgets/dialogs/findfiles/findfiles.py
+++ b/examples/widgets/dialogs/findfiles/findfiles.py
@@ -11,9 +11,9 @@ from PySide6.QtCore import (QCoreApplication, QDir, QFile, QFileInfo,
 from PySide6.QtGui import QDesktopServices
 from PySide6.QtWidgets import (QAbstractItemView, QApplication, QComboBox,
                                QDialog, QFileDialog, QGridLayout, QHBoxLayout,
-                               QHeaderView, QLabel, QLineEdit, QProgressDialog,
+                               QHeaderView, QLabel, QProgressDialog,
                                QPushButton, QSizePolicy, QTableWidget,
-                               QTableWidgetItem, QVBoxLayout, QWidget)
+                               QTableWidgetItem)
 
 
 class Window(QDialog):
diff --git a/examples/widgets/dialogs/standarddialogs/standarddialogs.py b/examples/widgets/dialogs/standarddialogs/standarddialogs.py
index 046d738be..94a5eec52 100644
--- a/examples/widgets/dialogs/standarddialogs/standarddialogs.py
+++ b/examples/widgets/dialogs/standarddialogs/standarddialogs.py
@@ -5,8 +5,8 @@
 """PySide6 port of the widgets/dialogs/standarddialogs example from Qt v5.x"""
 
 import sys
-from PySide6.QtCore import QDir, QRect, Qt, Slot
-from PySide6.QtGui import QFont, QPalette, QScreen
+from PySide6.QtCore import QDir, Qt, Slot
+from PySide6.QtGui import QFont, QPalette
 from PySide6.QtWidgets import (QApplication, QColorDialog, QCheckBox, QDialog,
                                QErrorMessage, QFontDialog, QFileDialog, QFrame,
                                QGridLayout, QGroupBox, QInputDialog, QLabel,
diff --git a/examples/widgets/dialogs/trivialwizard/trivialwizard.py b/examples/widgets/dialogs/trivialwizard/trivialwizard.py
index a0baa6ba4..0eb9fb567 100644
--- a/examples/widgets/dialogs/trivialwizard/trivialwizard.py
+++ b/examples/widgets/dialogs/trivialwizard/trivialwizard.py
@@ -7,7 +7,7 @@
 import sys
 
 from PySide6.QtWidgets import (QApplication, QFormLayout, QLabel, QLineEdit,
-                               QVBoxLayout, QWidget, QWizardPage, QWizard)
+                               QVBoxLayout, QWizardPage, QWizard)
 
 
 def create_intro_page():
diff --git a/examples/widgets/effects/lighting/lighting.py b/examples/widgets/effects/lighting/lighting.py
index 5328058fe..fe200357d 100644
--- a/examples/widgets/effects/lighting/lighting.py
+++ b/examples/widgets/effects/lighting/lighting.py
@@ -10,7 +10,7 @@ from PySide6.QtGui import (QBrush, QColor, QLinearGradient, QPainter, QPen,
                            QPixmap, QRadialGradient)
 from PySide6.QtWidgets import (QApplication, QFrame, QGraphicsDropShadowEffect,
                                QGraphicsEllipseItem, QGraphicsRectItem,
-                               QGraphicsScene, QGraphicsView, QWidget)
+                               QGraphicsScene, QGraphicsView)
 
 
 class Lighting(QGraphicsView):
diff --git a/examples/widgets/gettext/main.py b/examples/widgets/gettext/main.py
index 2e402d49c..85695728d 100644
--- a/examples/widgets/gettext/main.py
+++ b/examples/widgets/gettext/main.py
@@ -5,9 +5,9 @@ from pathlib import Path
 import gettext
 import sys
 
-from PySide6.QtCore import QItemSelection, QLocale, Qt, Slot
+from PySide6.QtCore import QItemSelection, Slot
 from PySide6.QtWidgets import (QAbstractItemView, QApplication, QListWidget,
-                               QMainWindow, QWidget)
+                               QMainWindow)
 
 
 _ = None
diff --git a/examples/widgets/graphicsview/anchorlayout/anchorlayout.py b/examples/widgets/graphicsview/anchorlayout/anchorlayout.py
index 0fbc801ae..d6e8e57b2 100644
--- a/examples/widgets/graphicsview/anchorlayout/anchorlayout.py
+++ b/examples/widgets/graphicsview/anchorlayout/anchorlayout.py
@@ -8,7 +8,7 @@ from PySide6.QtCore import QSizeF, Qt
 from PySide6.QtWidgets import (QApplication, QGraphicsAnchorLayout,
                                QGraphicsProxyWidget, QGraphicsScene,
                                QGraphicsView, QGraphicsWidget,
-                               QPushButton, QSizePolicy, QWidget)
+                               QPushButton, QSizePolicy)
 
 
 def create_item(minimum, preferred, maximum, name):
diff --git a/examples/widgets/graphicsview/diagramscene/diagramscene.py b/examples/widgets/graphicsview/diagramscene/diagramscene.py
index 42ec7c544..ea39cf938 100644
--- a/examples/widgets/graphicsview/diagramscene/diagramscene.py
+++ b/examples/widgets/graphicsview/diagramscene/diagramscene.py
@@ -7,12 +7,10 @@ import sys
 
 from PySide6.QtCore import (QLineF, QPointF, QRect, QRectF, QSize, QSizeF, Qt,
                             Signal, Slot)
-from PySide6.QtGui import (QAction, QColor, QFont, QIcon, QIntValidator,
+from PySide6.QtGui import (QAction, QBrush, QColor, QFont, QIcon, QIntValidator,
                            QPainter, QPainterPath, QPen, QPixmap, QPolygonF)
 from PySide6.QtWidgets import (QAbstractButton, QApplication, QButtonGroup,
-                               QComboBox,
-                               QFontComboBox, QGraphicsAnchorLayout,
-                               QGraphicsItem, QGraphicsLineItem,
+                               QComboBox, QFontComboBox, QGraphicsItem, QGraphicsLineItem,
                                QGraphicsPolygonItem, QGraphicsTextItem,
                                QGraphicsScene, QGraphicsView, QGridLayout,
                                QHBoxLayout, QLabel, QMainWindow, QMenu,
diff --git a/examples/widgets/graphicsview/dragdroprobot/dragdroprobot.py b/examples/widgets/graphicsview/dragdroprobot/dragdroprobot.py
index 6eba05acc..0bfd3e0db 100644
--- a/examples/widgets/graphicsview/dragdroprobot/dragdroprobot.py
+++ b/examples/widgets/graphicsview/dragdroprobot/dragdroprobot.py
@@ -11,7 +11,7 @@ from PySide6.QtGui import (QBrush, QColor, QDrag, QImage, QPainter, QPixmap,
                            QPen, QTransform)
 from PySide6.QtWidgets import (QApplication, QGraphicsItem,
                                QGraphicsItemAnimation, QGraphicsScene,
-                               QGraphicsView, QWidget)
+                               QGraphicsView)
 
 import dragdroprobot_rc
 
diff --git a/examples/widgets/graphicsview/elasticnodes/elasticnodes.py b/examples/widgets/graphicsview/elasticnodes/elasticnodes.py
index d19f83958..58d9d4a90 100644
--- a/examples/widgets/graphicsview/elasticnodes/elasticnodes.py
+++ b/examples/widgets/graphicsview/elasticnodes/elasticnodes.py
@@ -8,10 +8,10 @@ import math
 
 from PySide6.QtCore import (QLineF, QPointF, QRandomGenerator, QRectF, QSizeF,
                             Qt, qAbs)
-from PySide6.QtGui import (QColor, QBrush, QPainter, QPainterPath, QPen,
+from PySide6.QtGui import (QColor, QBrush, QLinearGradient, QPainter, QPainterPath, QPen,
                            QPolygonF, QRadialGradient)
 from PySide6.QtWidgets import (QApplication, QGraphicsItem, QGraphicsScene,
-                               QGraphicsView, QStyle, QWidget)
+                               QGraphicsView, QStyle)
 
 
 def random(boundary):
diff --git a/examples/widgets/imageviewer/imageviewer.py b/examples/widgets/imageviewer/imageviewer.py
index 1afe0b416..ded7f246a 100644
--- a/examples/widgets/imageviewer/imageviewer.py
+++ b/examples/widgets/imageviewer/imageviewer.py
@@ -3,12 +3,12 @@
 
 from PySide6.QtPrintSupport import QPrintDialog, QPrinter
 from PySide6.QtWidgets import (QApplication, QDialog, QFileDialog, QLabel,
-                               QMainWindow, QMenuBar, QMessageBox, QScrollArea,
-                               QScrollBar, QSizePolicy, QStatusBar)
-from PySide6.QtGui import (QAction, QClipboard, QColorSpace, QGuiApplication,
-                           QImage, QImageReader, QImageWriter, QKeySequence,
-                           QPalette, QPainter, QPixmap, QScreen)
-from PySide6.QtCore import QDir, QMimeData, QStandardPaths, Qt, Slot
+                               QMainWindow, QMessageBox, QScrollArea,
+                               QSizePolicy)
+from PySide6.QtGui import (QColorSpace, QGuiApplication,
+                           QImageReader, QImageWriter, QKeySequence,
+                           QPalette, QPainter, QPixmap)
+from PySide6.QtCore import QDir, QStandardPaths, Qt, Slot
 
 
 ABOUT = """<p>The <b>Image Viewer</b> example shows how to combine QLabel
diff --git a/examples/widgets/itemviews/fetchmore/fetchmore.py b/examples/widgets/itemviews/fetchmore/fetchmore.py
index 1943273c6..ecee86e38 100644
--- a/examples/widgets/itemviews/fetchmore/fetchmore.py
+++ b/examples/widgets/itemviews/fetchmore/fetchmore.py
@@ -11,9 +11,8 @@ down the list to see the model being populated on demand.
 
 import sys
 
-from PySide6.QtCore import (QAbstractListModel, QDir, QFileInfo, QLibraryInfo,
+from PySide6.QtCore import (QAbstractListModel, QDir,
                             QModelIndex, Qt, Signal, Slot)
-from PySide6.QtGui import QPalette
 from PySide6.QtWidgets import (QApplication, QFileIconProvider, QListView,
                                QPlainTextEdit, QSizePolicy, QVBoxLayout,
                                QWidget)
diff --git a/examples/widgets/layouts/basiclayouts/basiclayouts.py b/examples/widgets/layouts/basiclayouts/basiclayouts.py
index ab8e77311..a2d29e71f 100644
--- a/examples/widgets/layouts/basiclayouts/basiclayouts.py
+++ b/examples/widgets/layouts/basiclayouts/basiclayouts.py
@@ -6,12 +6,11 @@
 
 import sys
 
-from PySide6.QtCore import Qt
 from PySide6.QtWidgets import (QApplication, QComboBox, QDialog,
                                QDialogButtonBox, QGridLayout, QGroupBox,
                                QFormLayout, QHBoxLayout, QLabel, QLineEdit,
                                QMenu, QMenuBar, QPushButton, QSpinBox,
-                               QTextEdit, QVBoxLayout, QWidget)
+                               QTextEdit, QVBoxLayout)
 
 
 class Dialog(QDialog):
diff --git a/examples/widgets/linguist/main.py b/examples/widgets/linguist/main.py
index e71779f77..7c97e6d9a 100644
--- a/examples/widgets/linguist/main.py
+++ b/examples/widgets/linguist/main.py
@@ -1,13 +1,12 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-from pathlib import Path
 import sys
 
 from PySide6.QtCore import (QItemSelection, QLibraryInfo, QLocale, QTranslator,
-                            Qt, Slot)
+                            Slot)
 from PySide6.QtWidgets import (QAbstractItemView, QApplication, QListWidget,
-                               QMainWindow, QWidget)
+                               QMainWindow)
 
 
 import linguist_rc
diff --git a/examples/widgets/mainwindows/application/application.py b/examples/widgets/mainwindows/application/application.py
index 6fb01e912..320c421a6 100644
--- a/examples/widgets/mainwindows/application/application.py
+++ b/examples/widgets/mainwindows/application/application.py
@@ -9,7 +9,7 @@ from PySide6.QtCore import (QByteArray, QFile, QFileInfo, QSaveFile, QSettings,
                             QTextStream, Qt, Slot)
 from PySide6.QtGui import QAction, QIcon, QKeySequence
 from PySide6.QtWidgets import (QApplication, QFileDialog, QMainWindow,
-                               QMessageBox, QTextEdit, QWidget)
+                               QMessageBox, QTextEdit)
 
 import application_rc
 
diff --git a/examples/widgets/mainwindows/dockwidgets/dockwidgets.py b/examples/widgets/mainwindows/dockwidgets/dockwidgets.py
index f8d5ffe26..6d0e95a81 100644
--- a/examples/widgets/mainwindows/dockwidgets/dockwidgets.py
+++ b/examples/widgets/mainwindows/dockwidgets/dockwidgets.py
@@ -103,7 +103,7 @@ class MainWindow(QMainWindow):
         if not file.open(QFile.WriteOnly | QFile.Text):
             reason = file.errorString()
             QMessageBox.warning(self, "Dock Widgets",
-                    "Cannot write file {filename}:\n{reason}.")
+                    f"Cannot write file {filename}:\n{reason}.")
             return
 
         out = QTextStream(file)
diff --git a/examples/widgets/mainwindows/mdi/mdi.py b/examples/widgets/mainwindows/mdi/mdi.py
index de6b2b960..597479981 100644
--- a/examples/widgets/mainwindows/mdi/mdi.py
+++ b/examples/widgets/mainwindows/mdi/mdi.py
@@ -8,11 +8,11 @@ from argparse import ArgumentParser, RawTextHelpFormatter
 from functools import partial
 import sys
 
-from PySide6.QtCore import (QByteArray, QFile, QFileInfo, QPoint, QSettings,
-        QSaveFile, QSize, QTextStream, Qt, Slot)
+from PySide6.QtCore import (QByteArray, QFile, QFileInfo, QSettings,
+        QSaveFile, QTextStream, Qt, Slot)
 from PySide6.QtGui import QAction, QIcon, QKeySequence
 from PySide6.QtWidgets import (QApplication, QFileDialog, QMainWindow,
-        QMdiArea, QMessageBox, QTextEdit, QWidget)
+        QMdiArea, QMessageBox, QTextEdit)
 
 import mdi_rc
 
diff --git a/examples/widgets/painting/painter/painter.py b/examples/widgets/painting/painter/painter.py
index 49036ae00..3cb6ba5b8 100644
--- a/examples/widgets/painting/painter/painter.py
+++ b/examples/widgets/painting/painter/painter.py
@@ -9,7 +9,7 @@ from PySide6.QtWidgets import (
     QStyle,
     QColorDialog,
 )
-from PySide6.QtCore import QPoint, Qt, QDir, Slot, QStandardPaths
+from PySide6.QtCore import Qt, Slot, QStandardPaths
 from PySide6.QtGui import (
     QMouseEvent,
     QPaintEvent,
diff --git a/examples/widgets/painting/plot/plot.py b/examples/widgets/painting/plot/plot.py
index 9d0dd016b..fd7ff9937 100644
--- a/examples/widgets/painting/plot/plot.py
+++ b/examples/widgets/painting/plot/plot.py
@@ -5,9 +5,8 @@ import math
 import sys
 
 from PySide6.QtWidgets import QWidget, QApplication
-from PySide6.QtCore import QPoint, QRect, QTimer, Qt, Slot
-from PySide6.QtGui import (QColor, QPainter, QPaintEvent, QPen, QPointList,
-                           QTransform)
+from PySide6.QtCore import QPoint, QRect, QTimer, Qt
+from PySide6.QtGui import QPainter, QPointList
 
 
 WIDTH = 680
diff --git a/examples/widgets/richtext/orderform/orderform.py b/examples/widgets/richtext/orderform/orderform.py
index 15bb26cc2..fd0be01fe 100644
--- a/examples/widgets/richtext/orderform/orderform.py
+++ b/examples/widgets/richtext/orderform/orderform.py
@@ -6,14 +6,14 @@
 
 import sys
 
-from PySide6.QtCore import QDate, Qt, Signal, Slot
+from PySide6.QtCore import QDate, Qt, Slot
 from PySide6.QtGui import (QFont, QTextCharFormat, QTextCursor,
                            QTextFrameFormat, QTextLength, QTextTableFormat)
 from PySide6.QtWidgets import (QApplication, QCheckBox, QDialog,
                                QDialogButtonBox, QGridLayout, QLabel,
                                QLineEdit, QMainWindow, QMenu, QMessageBox,
                                QTableWidget, QTableWidgetItem, QTabWidget,
-                               QTextEdit, QWidget)
+                               QTextEdit)
 from PySide6.QtPrintSupport import QAbstractPrintDialog, QPrintDialog, QPrinter
 
 
diff --git a/examples/widgets/richtext/textedit/main.py b/examples/widgets/richtext/textedit/main.py
index a51a4d34f..88b679edc 100644
--- a/examples/widgets/richtext/textedit/main.py
+++ b/examples/widgets/richtext/textedit/main.py
@@ -7,7 +7,6 @@ import sys
 from argparse import ArgumentParser, RawTextHelpFormatter
 
 from PySide6.QtCore import QCoreApplication, qVersion
-from PySide6.QtGui import QScreen
 from PySide6.QtWidgets import QApplication
 
 from textedit import TextEdit
diff --git a/examples/widgets/richtext/textedit/textedit.py b/examples/widgets/richtext/textedit/textedit.py
index 12eddc6c5..4f4146d34 100644
--- a/examples/widgets/richtext/textedit/textedit.py
+++ b/examples/widgets/richtext/textedit/textedit.py
@@ -2,16 +2,16 @@
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 import sys
-from PySide6.QtCore import (QCoreApplication, QDir, QFile, QFileInfo, QMimeData,
+from PySide6.QtCore import (QCoreApplication, QDir, QFile, QFileInfo,
                             QMimeDatabase, QUrl, Qt, Slot)
-from PySide6.QtGui import (QAction, QActionGroup, QColor, QGuiApplication, QClipboard,
-                           QCloseEvent, QFont, QFontDatabase, QFontInfo, QIcon,
+from PySide6.QtGui import (QAction, QActionGroup, QColor, QGuiApplication,
+                           QFont, QFontDatabase, QFontInfo, QIcon,
                            QKeySequence, QPalette, QPixmap, QTextBlockFormat,
                            QTextCharFormat, QTextCursor, QTextDocumentWriter,
-                           QTextFormat, QTextList, QTextListFormat)
+                           QTextFormat, QTextListFormat)
 from PySide6.QtWidgets import (QApplication, QMainWindow, QColorDialog, QComboBox,
-                               QDialog, QFileDialog, QFontComboBox, QStatusBar,
-                               QTextEdit, QToolBar, QMenu, QMenuBar, QMessageBox)
+                               QDialog, QFileDialog, QFontComboBox,
+                               QTextEdit, QMessageBox)
 from PySide6.QtPrintSupport import (QAbstractPrintDialog, QPrinter,
                                     QPrintDialog, QPrintPreviewDialog)
 
@@ -406,7 +406,7 @@ class TextEdit(QMainWindow):
     @Slot()
     def file_save(self):
         if not self._file_name or self._file_name.startswith(":/"):
-            return fileSaveAs()
+            return self.file_save_as()
 
         writer = QTextDocumentWriter(self._file_name)
         document = self._text_edit.document()
diff --git a/examples/widgets/richtext/textobject/textobject.py b/examples/widgets/richtext/textobject/textobject.py
index cfd065e22..9ab7bf8ae 100644
--- a/examples/widgets/richtext/textobject/textobject.py
+++ b/examples/widgets/richtext/textobject/textobject.py
@@ -8,9 +8,8 @@ import os
 from pathlib import Path
 import sys
 
-from PySide6.QtCore import QFile, QIODevice, QObject, QSizeF, Qt, Slot
-from PySide6.QtGui import (QTextCharFormat, QTextFormat, QTextObjectInterface,
-                           QPyTextObject)
+from PySide6.QtCore import QFile, QIODevice, QSizeF, Slot
+from PySide6.QtGui import (QTextCharFormat, QTextFormat, QPyTextObject)
 from PySide6.QtWidgets import (QApplication, QHBoxLayout, QLabel, QLineEdit,
                                QMessageBox, QPushButton, QTextEdit,
                                QVBoxLayout, QWidget)
diff --git a/examples/widgets/tetrix/tetrix.py b/examples/widgets/tetrix/tetrix.py
index 391ea0a2a..3accd557a 100644
--- a/examples/widgets/tetrix/tetrix.py
+++ b/examples/widgets/tetrix/tetrix.py
@@ -9,7 +9,7 @@ import random
 import sys
 
 from PySide6.QtCore import QBasicTimer, QSize, Qt, Signal, Slot
-from PySide6.QtGui import QColor, QPainter
+from PySide6.QtGui import QColor, QPainter, QPixmap
 from PySide6.QtWidgets import (QApplication, QFrame, QGridLayout, QLabel,
                                QLCDNumber, QPushButton, QWidget)
 
@@ -324,7 +324,7 @@ class TetrixBoard(QFrame):
         with QPainter(pixmap) as painter:
             painter.fillRect(pixmap.rect(), self.nextPieceLabel.palette().background())
 
-        for int in range(4):
+        for i in range(4):
             x = self._next_piece.x(i) - self._next_piece.min_x()
             y = self._next_piece.y(i) - self._next_piece.min_y()
             self.draw_square(painter, x * self.square_width(),
diff --git a/examples/widgets/tools/regularexpression/regularexpression.py b/examples/widgets/tools/regularexpression/regularexpression.py
index fca24f617..261e26196 100644
--- a/examples/widgets/tools/regularexpression/regularexpression.py
+++ b/examples/widgets/tools/regularexpression/regularexpression.py
@@ -12,8 +12,6 @@ from regularexpressiondialog import RegularExpressionDialog
 
 from PySide6.QtWidgets import QApplication
 
-import re
-
 if __name__ == "__main__":
     app = QApplication(sys.argv)
 
diff --git a/examples/widgets/tools/regularexpression/regularexpressiondialog.py b/examples/widgets/tools/regularexpression/regularexpressiondialog.py
index ab8d12c15..4fc9c62a2 100644
--- a/examples/widgets/tools/regularexpression/regularexpressiondialog.py
+++ b/examples/widgets/tools/regularexpression/regularexpressiondialog.py
@@ -12,7 +12,6 @@ from PySide6.QtWidgets import (QCheckBox, QComboBox, QDialog, QFormLayout,
     QFrame, QGridLayout, QHBoxLayout, QLabel, QLineEdit, QPlainTextEdit,
     QSpinBox, QTreeWidget, QTreeWidgetItem, QVBoxLayout, QWidget,)
 
-from PySide6.QtGui import QClipboard
 
 def rawStringLiteral(pattern: str) -> str:
     pattern = 'r"' + pattern
@@ -21,8 +20,8 @@ def rawStringLiteral(pattern: str) -> str:
 
 
 def patternToCode(pattern: str) -> str:
-    pattern = pattern.replace(f"\\", f"\\\\")
-    pattern = pattern.replace(f'"', f'\\"')
+    pattern = pattern.replace("\\", "\\\\")
+    pattern = pattern.replace('"', '\\"')
     pattern = '"' + pattern
     pattern = pattern + '"'
     return pattern
@@ -31,7 +30,7 @@ def patternToCode(pattern: str) -> str:
 def codeToPattern(code: str) -> str:
 
     try:
-        new_code = code[0]
+        _ = code[0]
     except IndexError:
         logging.warning("code is empty")
         return code
diff --git a/examples/widgets/tutorials/addressbook/part2.py b/examples/widgets/tutorials/addressbook/part2.py
index ccc6139ab..89c813006 100644
--- a/examples/widgets/tutorials/addressbook/part2.py
+++ b/examples/widgets/tutorials/addressbook/part2.py
@@ -4,9 +4,9 @@
 
 import sys
 
-from PySide6.QtCore import Qt, Signal, Slot
-from PySide6.QtWidgets import (QApplication, QDialog, QGridLayout,
-                               QHBoxLayout, QLabel, QLineEdit,
+from PySide6.QtCore import Qt
+from PySide6.QtWidgets import (QApplication, QGridLayout,
+                               QLabel, QLineEdit,
                                QMessageBox, QPushButton, QTextEdit,
                                QVBoxLayout, QWidget)
 
diff --git a/examples/widgets/tutorials/addressbook/part3.py b/examples/widgets/tutorials/addressbook/part3.py
index af5babc9b..571a96a48 100644
--- a/examples/widgets/tutorials/addressbook/part3.py
+++ b/examples/widgets/tutorials/addressbook/part3.py
@@ -4,8 +4,8 @@
 
 import sys
 
-from PySide6.QtCore import Qt, Signal, Slot
-from PySide6.QtWidgets import (QApplication, QDialog, QGridLayout,
+from PySide6.QtCore import Qt, Slot
+from PySide6.QtWidgets import (QApplication, QGridLayout,
                                QHBoxLayout, QLabel, QLineEdit,
                                QMessageBox, QPushButton, QTextEdit,
                                QVBoxLayout, QWidget)
diff --git a/examples/widgets/tutorials/addressbook/part4.py b/examples/widgets/tutorials/addressbook/part4.py
index 11d65ab3c..505fe4db9 100644
--- a/examples/widgets/tutorials/addressbook/part4.py
+++ b/examples/widgets/tutorials/addressbook/part4.py
@@ -4,8 +4,8 @@
 
 import sys
 
-from PySide6.QtCore import Qt, Signal, Slot
-from PySide6.QtWidgets import (QApplication, QDialog, QGridLayout,
+from PySide6.QtCore import Qt, Slot
+from PySide6.QtWidgets import (QApplication, QGridLayout,
                                QHBoxLayout, QLabel, QLineEdit,
                                QMessageBox, QPushButton, QTextEdit,
                                QVBoxLayout, QWidget)
diff --git a/examples/widgets/tutorials/addressbook/part5.py b/examples/widgets/tutorials/addressbook/part5.py
index 41e725ce1..72245703f 100644
--- a/examples/widgets/tutorials/addressbook/part5.py
+++ b/examples/widgets/tutorials/addressbook/part5.py
@@ -2,10 +2,9 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-import pickle
 import sys
 
-from PySide6.QtCore import Qt, Signal, Slot
+from PySide6.QtCore import Qt, Slot
 from PySide6.QtWidgets import (QApplication, QDialog, QGridLayout,
                                QHBoxLayout, QLabel, QLineEdit,
                                QMessageBox, QPushButton, QTextEdit,
diff --git a/examples/widgets/tutorials/addressbook/part6.py b/examples/widgets/tutorials/addressbook/part6.py
index 095c67175..f75fbf44f 100644
--- a/examples/widgets/tutorials/addressbook/part6.py
+++ b/examples/widgets/tutorials/addressbook/part6.py
@@ -5,7 +5,7 @@
 import pickle
 import sys
 
-from PySide6.QtCore import QFile, QIODevice, QTextStream, Qt, Signal, Slot
+from PySide6.QtCore import Qt, Slot
 from PySide6.QtWidgets import (QApplication, QDialog, QFileDialog,
                                QGridLayout, QHBoxLayout, QLabel, QLineEdit,
                                QMessageBox, QPushButton, QTextEdit,
diff --git a/examples/widgets/tutorials/addressbook/part7.py b/examples/widgets/tutorials/addressbook/part7.py
index 9addc32e0..2f874f9bd 100644
--- a/examples/widgets/tutorials/addressbook/part7.py
+++ b/examples/widgets/tutorials/addressbook/part7.py
@@ -5,7 +5,7 @@
 import pickle
 import sys
 
-from PySide6.QtCore import QFile, QIODevice, QTextStream, Qt, Signal, Slot
+from PySide6.QtCore import QFile, QIODevice, QTextStream, Qt, Slot
 from PySide6.QtWidgets import (QApplication, QDialog, QFileDialog,
                                QGridLayout, QHBoxLayout, QLabel, QLineEdit,
                                QMessageBox, QPushButton, QTextEdit,
diff --git a/examples/widgets/tutorials/cannon/t10.py b/examples/widgets/tutorials/cannon/t10.py
index db080f050..c9c3fa7f6 100644
--- a/examples/widgets/tutorials/cannon/t10.py
+++ b/examples/widgets/tutorials/cannon/t10.py
@@ -6,7 +6,7 @@
 
 import sys
 
-from PySide6.QtCore import QRect, Qt, Signal, Slot
+from PySide6.QtCore import QRect, Qt, Signal, Slot, qWarning
 from PySide6.QtGui import QColor, QFont, QPainter, QPalette
 from PySide6.QtWidgets import (QApplication, QGridLayout, QLCDNumber,
                                QPushButton, QSlider, QVBoxLayout, QWidget)
diff --git a/examples/widgets/tutorials/cannon/t11.py b/examples/widgets/tutorials/cannon/t11.py
index c7a4ffbd4..997eecbd1 100644
--- a/examples/widgets/tutorials/cannon/t11.py
+++ b/examples/widgets/tutorials/cannon/t11.py
@@ -7,7 +7,7 @@
 import sys
 import math
 
-from PySide6.QtCore import QPoint, QRect, QTimer, Qt, Signal, Slot
+from PySide6.QtCore import QPoint, QRect, QTimer, Qt, Signal, Slot, qWarning
 from PySide6.QtGui import QColor, QFont, QPainter, QPalette, QRegion
 from PySide6.QtWidgets import (QApplication, QGridLayout, QHBoxLayout,
                                QLCDNumber, QPushButton, QSlider,
diff --git a/examples/widgets/tutorials/cannon/t12.py b/examples/widgets/tutorials/cannon/t12.py
index 3887bbf2e..8847b2208 100644
--- a/examples/widgets/tutorials/cannon/t12.py
+++ b/examples/widgets/tutorials/cannon/t12.py
@@ -8,7 +8,7 @@ import sys
 import math
 import random
 
-from PySide6.QtCore import QPoint, QRect, QTime, QTimer, Qt, Signal, Slot
+from PySide6.QtCore import QPoint, QRect, QTime, QTimer, Qt, Signal, Slot, qWarning
 from PySide6.QtGui import QColor, QFont, QPainter, QPalette, QRegion
 from PySide6.QtWidgets import (QApplication, QGridLayout, QHBoxLayout,
                                QLabel, QLCDNumber, QPushButton, QSlider,
diff --git a/examples/widgets/tutorials/cannon/t13.py b/examples/widgets/tutorials/cannon/t13.py
index ddd5341da..4eb45a374 100644
--- a/examples/widgets/tutorials/cannon/t13.py
+++ b/examples/widgets/tutorials/cannon/t13.py
@@ -8,8 +8,8 @@ import sys
 import math
 import random
 
-from PySide6.QtCore import (QPoint, QRect, QTime, QTimer, Qt, SIGNAL, SLOT,
-                            Signal, Slot)
+from PySide6.QtCore import (QPoint, QRect, QTime, QTimer, Qt,
+                            Signal, Slot, qWarning)
 from PySide6.QtGui import QColor, QFont, QPainter, QPalette, QRegion
 from PySide6.QtWidgets import (QApplication, QGridLayout, QHBoxLayout, QLabel,
                                QLCDNumber, QPushButton, QSizePolicy, QSlider,
diff --git a/examples/widgets/tutorials/cannon/t14.py b/examples/widgets/tutorials/cannon/t14.py
index aa0f8876b..50b1d4c9f 100644
--- a/examples/widgets/tutorials/cannon/t14.py
+++ b/examples/widgets/tutorials/cannon/t14.py
@@ -8,10 +8,10 @@ import sys
 import math
 import random
 
-from PySide6.QtCore import (QPoint, QRect, QTime, QTimer, QSize, Qt, SIGNAL,
-                            SLOT, Signal, Slot)
+from PySide6.QtCore import (QPoint, QRect, QTime, QTimer, QSize, Qt,
+                            Signal, Slot, qWarning)
 from PySide6.QtGui import (QColor, QFont, QKeySequence, QPainter, QPalette,
-                           QShortcut, QRegion)
+                           QShortcut, QRegion, QTransform)
 from PySide6.QtWidgets import (QApplication, QFrame, QGridLayout, QHBoxLayout,
                                QLabel, QLCDNumber, QPushButton, QSizePolicy,
                                QSlider, QVBoxLayout, QWidget)
diff --git a/examples/widgets/tutorials/cannon/t2.py b/examples/widgets/tutorials/cannon/t2.py
index 57326ac37..d3adba396 100644
--- a/examples/widgets/tutorials/cannon/t2.py
+++ b/examples/widgets/tutorials/cannon/t2.py
@@ -6,9 +6,8 @@
 
 import sys
 
-from PySide6.QtCore import (QPoint, QRect, QTime, QTimer, Qt)
 from PySide6.QtGui import QFont
-from PySide6.QtWidgets import (QApplication, QPushButton)
+from PySide6.QtWidgets import QApplication, QPushButton
 
 
 if __name__ == '__main__':
diff --git a/examples/widgets/tutorials/cannon/t8.py b/examples/widgets/tutorials/cannon/t8.py
index c887a36a6..b82e24a01 100644
--- a/examples/widgets/tutorials/cannon/t8.py
+++ b/examples/widgets/tutorials/cannon/t8.py
@@ -6,7 +6,7 @@
 
 import sys
 
-from PySide6.QtCore import Signal, Slot, Qt
+from PySide6.QtCore import Signal, Slot, Qt, qWarning
 from PySide6.QtGui import QColor, QFont, QPainter, QPalette
 from PySide6.QtWidgets import (QApplication, QGridLayout, QLCDNumber,
                                QPushButton, QSlider, QVBoxLayout, QWidget)
diff --git a/examples/widgets/tutorials/cannon/t9.py b/examples/widgets/tutorials/cannon/t9.py
index 2526d1573..297e98e50 100644
--- a/examples/widgets/tutorials/cannon/t9.py
+++ b/examples/widgets/tutorials/cannon/t9.py
@@ -6,7 +6,7 @@
 
 import sys
 
-from PySide6.QtCore import QRect, Qt, Signal, Slot
+from PySide6.QtCore import QRect, Qt, Signal, Slot, qWarning
 from PySide6.QtGui import QColor, QFont, QPainter, QPalette
 from PySide6.QtWidgets import (QApplication, QGridLayout, QLCDNumber,
                                QPushButton, QSlider, QVBoxLayout, QWidget)
diff --git a/examples/widgets/tutorials/modelview/6_treeview.py b/examples/widgets/tutorials/modelview/6_treeview.py
index 861f8d587..09300560c 100644
--- a/examples/widgets/tutorials/modelview/6_treeview.py
+++ b/examples/widgets/tutorials/modelview/6_treeview.py
@@ -3,7 +3,6 @@
 
 import sys
 
-from PySide6.QtCore import Qt
 from PySide6.QtGui import QStandardItem, QStandardItemModel
 from PySide6.QtWidgets import QApplication, QMainWindow, QTreeView
 
diff --git a/examples/widgets/widgetsgallery/widgetgallery.py b/examples/widgets/widgetsgallery/widgetgallery.py
index 72cac1c8f..6178ee0d7 100644
--- a/examples/widgets/widgetsgallery/widgetgallery.py
+++ b/examples/widgets/widgetsgallery/widgetgallery.py
@@ -6,9 +6,9 @@ import sys
 from PySide6.QtWidgets import *
 from PySide6.QtGui import (QCursor, QDesktopServices, QGuiApplication, QIcon,
                            QKeySequence, QShortcut, QStandardItem,
-                           QStandardItemModel, QScreen, QWindow)
-from PySide6.QtCore import (QDateTime, QDir, QLibraryInfo, QMetaObject,
-                            QSysInfo, QTextStream, QTimer, Qt, qVersion, Slot)
+                           QStandardItemModel)
+from PySide6.QtCore import (QDateTime, QDir, QLibraryInfo,
+                            QSysInfo, QTimer, Qt, qVersion, Slot)
 
 
 POEM = """Twinkle, twinkle, little star,