examples: remove unused imports

Change-Id: I88a7bb2fe91abcfdef6e6014b088d08c4e613893
Pick-to: 6.5
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

39 files changed, 64 insertions, 72 deletions

diff --git a/examples/bluetooth/btscanner/device.py b/examples/bluetooth/btscanner/device.py
index 02fc53f0b..e51160b84 100644
--- a/examples/bluetooth/btscanner/device.py
+++ b/examples/bluetooth/btscanner/device.py
@@ -3,7 +3,7 @@
 
 from PySide6.QtCore import QPoint, Qt, Slot
 from PySide6.QtGui import QColor
-from PySide6.QtWidgets import QDialog, QListWidgetItem, QListWidget, QMenu
+from PySide6.QtWidgets import QDialog, QListWidgetItem, QMenu
 from PySide6.QtBluetooth import (QBluetoothAddress, QBluetoothDeviceDiscoveryAgent,
                                  QBluetoothDeviceInfo, QBluetoothLocalDevice)
 
diff --git a/examples/bluetooth/btscanner/main.py b/examples/bluetooth/btscanner/main.py
index bf8f596a3..a54a862a2 100644
--- a/examples/bluetooth/btscanner/main.py
+++ b/examples/bluetooth/btscanner/main.py
@@ -5,8 +5,7 @@
 
 import sys
 
-from PySide6.QtCore import Qt
-from PySide6.QtWidgets import QApplication, QWidget
+from PySide6.QtWidgets import QApplication
 
 from device import DeviceDiscoveryDialog
 
diff --git a/examples/bluetooth/btscanner/service.py b/examples/bluetooth/btscanner/service.py
index 73e174b82..31df8a9ea 100644
--- a/examples/bluetooth/btscanner/service.py
+++ b/examples/bluetooth/btscanner/service.py
@@ -1,7 +1,7 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-from PySide6.QtCore import Qt, Slot
+from PySide6.QtCore import Slot
 from PySide6.QtWidgets import QDialog
 from PySide6.QtBluetooth import (QBluetoothAddress, QBluetoothServiceInfo,
                                  QBluetoothServiceDiscoveryAgent, QBluetoothLocalDevice)
diff --git a/examples/bluetooth/heartrate_game/main.py b/examples/bluetooth/heartrate_game/main.py
index a101a05bf..58f5f4ef8 100644
--- a/examples/bluetooth/heartrate_game/main.py
+++ b/examples/bluetooth/heartrate_game/main.py
@@ -6,9 +6,9 @@
 import os
 from pathlib import Path
 import sys
-from argparse import ArgumentParser, Namespace, RawDescriptionHelpFormatter
+from argparse import ArgumentParser, RawDescriptionHelpFormatter
 
-from PySide6.QtQml import QQmlApplicationEngine, QQmlContext
+from PySide6.QtQml import QQmlApplicationEngine
 from PySide6.QtGui import QGuiApplication
 from PySide6.QtCore import QCoreApplication, QLoggingCategory, QUrl
 
diff --git a/examples/charts/audio/audio.py b/examples/charts/audio/audio.py
index 14026e897..8ba0b20c5 100644
--- a/examples/charts/audio/audio.py
+++ b/examples/charts/audio/audio.py
@@ -6,8 +6,7 @@
 import sys
 from PySide6.QtCharts import QChart, QChartView, QLineSeries, QValueAxis
 from PySide6.QtCore import QPointF, Slot
-from PySide6.QtMultimedia import (QAudioDevice, QAudioFormat,
-        QAudioSource, QMediaDevices)
+from PySide6.QtMultimedia import QAudioFormat, QAudioSource, QMediaDevices
 from PySide6.QtWidgets import QApplication, QMainWindow, QMessageBox
 
 
diff --git a/examples/charts/donutbreakdown/donutbreakdown.py b/examples/charts/donutbreakdown/donutbreakdown.py
index 7cf6a36a1..1597685c2 100644
--- a/examples/charts/donutbreakdown/donutbreakdown.py
+++ b/examples/charts/donutbreakdown/donutbreakdown.py
@@ -6,7 +6,7 @@
 
 import sys
 from PySide6.QtCore import Qt, Slot
-from PySide6.QtGui import QColor, QFont, QPainter, QScreen
+from PySide6.QtGui import QColor, QFont, QPainter
 from PySide6.QtWidgets import QApplication, QMainWindow
 from PySide6.QtCharts import QChart, QChartView, QPieSeries, QPieSlice
 
diff --git a/examples/charts/qmlpolarchart/qmlpolarchart.py b/examples/charts/qmlpolarchart/qmlpolarchart.py
index f12e6f5e8..6391fc305 100644
--- a/examples/charts/qmlpolarchart/qmlpolarchart.py
+++ b/examples/charts/qmlpolarchart/qmlpolarchart.py
@@ -8,8 +8,8 @@ from pathlib import Path
 import sys
 
 from PySide6.QtQuick import QQuickView
-from PySide6.QtCore import Qt, QUrl
-from PySide6.QtWidgets import QApplication, QMainWindow
+from PySide6.QtCore import QUrl
+from PySide6.QtWidgets import QApplication
 
 
 if __name__ == '__main__':
diff --git a/examples/corelib/settingseditor/settingseditor.py b/examples/corelib/settingseditor/settingseditor.py
index b1b4dbe0e..a77349e5e 100644
--- a/examples/corelib/settingseditor/settingseditor.py
+++ b/examples/corelib/settingseditor/settingseditor.py
@@ -200,13 +200,13 @@ class MainWindow(QMainWindow):
                 "application settings using Qt.")
 
     def create_actions(self):
-        self._open_settings_act = QtGui.QAction("&Open Application Settings...",
+        self._open_settings_act = QAction("&Open Application Settings...",
                 self, shortcut="Ctrl+O", triggered=self.openSettings)
 
-        self._open_ini_file_act = QtGui.QAction("Open I&NI File...", self,
+        self._open_ini_file_act = QAction("Open I&NI File...", self,
                 shortcut="Ctrl+N", triggered=self.openIniFile)
 
-        self._open_property_list_act = QtGui.QAction("Open macOS &Property List...",
+        self._open_property_list_act = QAction("Open macOS &Property List...",
                 self, shortcut="Ctrl+P", triggered=self.openPropertyList)
 
     def create_actions(self):
diff --git a/examples/datavisualization/graphgallery/rainfalldata.py b/examples/datavisualization/graphgallery/rainfalldata.py
index b01c6a349..18d6de8d7 100644
--- a/examples/datavisualization/graphgallery/rainfalldata.py
+++ b/examples/datavisualization/graphgallery/rainfalldata.py
@@ -5,7 +5,7 @@ import sys
 
 from pathlib import Path
 
-from PySide6.QtCore import QFile, QIODevice, QObject, Qt
+from PySide6.QtCore import QFile, QIODevice, QObject
 from PySide6.QtDataVisualization import (QBar3DSeries, QCategory3DAxis, QValue3DAxis)
 
 from variantbardataproxy import VariantBarDataProxy
diff --git a/examples/datavisualization/graphgallery/surfacegraph.py b/examples/datavisualization/graphgallery/surfacegraph.py
index 8a5db39c0..d42f496f9 100644
--- a/examples/datavisualization/graphgallery/surfacegraph.py
+++ b/examples/datavisualization/graphgallery/surfacegraph.py
@@ -3,7 +3,7 @@
 
 from surfacegraphmodifier import SurfaceGraphModifier
 
-from PySide6.QtCore import QObject, QSize, Qt
+from PySide6.QtCore import QObject, Qt
 from PySide6.QtGui import QBrush, QIcon, QLinearGradient, QPainter, QPixmap
 from PySide6.QtWidgets import (QGroupBox, QCheckBox, QLabel, QHBoxLayout,
                                QPushButton, QRadioButton, QSizePolicy, QSlider,
diff --git a/examples/dbus/listnames/listnames.py b/examples/dbus/listnames/listnames.py
index 017be625e..2240a06d8 100644
--- a/examples/dbus/listnames/listnames.py
+++ b/examples/dbus/listnames/listnames.py
@@ -5,8 +5,7 @@
 
 import sys
 from PySide6.QtCore import QCoreApplication
-from PySide6.QtDBus import (QDBusConnection, QDBusConnectionInterface,
-                            QDBusInterface, QDBusReply)
+from PySide6.QtDBus import QDBusConnection, QDBusInterface, QDBusReply
 
 
 def method1():
diff --git a/examples/dbus/pingpong/ping.py b/examples/dbus/pingpong/ping.py
index 5d47b3b24..8dd741c0e 100644
--- a/examples/dbus/pingpong/ping.py
+++ b/examples/dbus/pingpong/ping.py
@@ -4,7 +4,7 @@
 """PySide6 port of the QtDBus pingpong example from Qt v6.x (ping client)"""
 
 import sys
-from PySide6.QtCore import QCoreApplication, QObject, Slot
+from PySide6.QtCore import QCoreApplication
 from PySide6.QtDBus import QDBusConnection,  QDBusInterface, QDBusReply
 
 
diff --git a/examples/designer/taskmenuextension/tictactoe.py b/examples/designer/taskmenuextension/tictactoe.py
index 01224e0e3..9155d2309 100644
--- a/examples/designer/taskmenuextension/tictactoe.py
+++ b/examples/designer/taskmenuextension/tictactoe.py
@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 from PySide6.QtCore import Qt, QPoint, QRect, QSize, Property, Slot
-from PySide6.QtGui import QMouseEvent, QPainter, QPen
+from PySide6.QtGui import QPainter, QPen
 from PySide6.QtWidgets import QWidget
 
 
diff --git a/examples/designer/taskmenuextension/tictactoeplugin.py b/examples/designer/taskmenuextension/tictactoeplugin.py
index 11b31b12f..0d538443f 100644
--- a/examples/designer/taskmenuextension/tictactoeplugin.py
+++ b/examples/designer/taskmenuextension/tictactoeplugin.py
@@ -5,8 +5,7 @@ from tictactoe import TicTacToe
 from tictactoetaskmenu import TicTacToeTaskMenuFactory
 
 from PySide6.QtGui import QIcon
-from PySide6.QtDesigner import (QExtensionManager,
-    QDesignerCustomWidgetInterface)
+from PySide6.QtDesigner import  QDesignerCustomWidgetInterface
 
 
 DOM_XML = """
diff --git a/examples/designer/taskmenuextension/tictactoetaskmenu.py b/examples/designer/taskmenuextension/tictactoetaskmenu.py
index 461e56f72..71826dc7d 100644
--- a/examples/designer/taskmenuextension/tictactoetaskmenu.py
+++ b/examples/designer/taskmenuextension/tictactoetaskmenu.py
@@ -3,7 +3,7 @@
 
 from tictactoe import TicTacToe
 
-from PySide6.QtCore import QObject, Slot
+from PySide6.QtCore import Slot
 from PySide6.QtGui import QAction
 from PySide6.QtWidgets import QDialog, QDialogButtonBox, QVBoxLayout
 from PySide6.QtDesigner import (QExtensionFactory, QPyDesignerTaskMenuExtension)
diff --git a/examples/external/matplotlib/widget_gaussian/widget_gaussian.py b/examples/external/matplotlib/widget_gaussian/widget_gaussian.py
index 7f7001cd1..2423e496a 100644
--- a/examples/external/matplotlib/widget_gaussian/widget_gaussian.py
+++ b/examples/external/matplotlib/widget_gaussian/widget_gaussian.py
@@ -5,11 +5,10 @@ import sys
 
 import numpy as np
 from scipy.stats import norm
-from matplotlib import pyplot as plt
 from matplotlib.figure import Figure
 from matplotlib.backends.backend_qtagg import FigureCanvas
 from matplotlib.backends.backend_qtagg import NavigationToolbar2QT
-from PySide6.QtCore import Qt, Slot
+from PySide6.QtCore import Slot
 from PySide6.QtWidgets import (
     QApplication,
     QWidget,
diff --git a/examples/multimedia/audiooutput/audiooutput.py b/examples/multimedia/audiooutput/audiooutput.py
index 6cabebb68..e0634e751 100644
--- a/examples/multimedia/audiooutput/audiooutput.py
+++ b/examples/multimedia/audiooutput/audiooutput.py
@@ -10,7 +10,7 @@ from struct import pack
 
 from PySide6.QtCore import (QByteArray, QIODevice, Qt, QSysInfo, QTimer,
                             qWarning, Slot)
-from PySide6.QtMultimedia import (QAudio, QAudioDevice, QAudioFormat,
+from PySide6.QtMultimedia import (QAudio, QAudioFormat,
                                   QAudioSink, QMediaDevices)
 from PySide6.QtWidgets import (QApplication, QComboBox, QHBoxLayout, QLabel,
                                QMainWindow, QPushButton, QSlider,
diff --git a/examples/multimedia/audiosource/audiosource.py b/examples/multimedia/audiosource/audiosource.py
index 79c0b6f82..5b476af9b 100644
--- a/examples/multimedia/audiosource/audiosource.py
+++ b/examples/multimedia/audiosource/audiosource.py
@@ -16,7 +16,7 @@ import sys
 from typing import Optional
 
 import PySide6
-from PySide6.QtCore import QByteArray, QIODevice, QMargins, QRect, Qt, Signal, Slot
+from PySide6.QtCore import QByteArray, QMargins, Qt, Slot
 from PySide6.QtGui import QPainter, QPalette
 from PySide6.QtMultimedia import (
     QAudio,
diff --git a/examples/multimedia/player/player.py b/examples/multimedia/player/player.py
index c8a1d57a5..88be50cc3 100644
--- a/examples/multimedia/player/player.py
+++ b/examples/multimedia/player/player.py
@@ -5,10 +5,10 @@
 
 import sys
 from PySide6.QtCore import QStandardPaths, Qt, Slot
-from PySide6.QtGui import QAction, QIcon, QKeySequence, QScreen
+from PySide6.QtGui import QAction, QIcon, QKeySequence
 from PySide6.QtWidgets import (QApplication, QDialog, QFileDialog,
     QMainWindow, QSlider, QStyle, QToolBar)
-from PySide6.QtMultimedia import (QAudio, QAudioOutput, QMediaFormat,
+from PySide6.QtMultimedia import (QAudioOutput, QMediaFormat,
                                   QMediaPlayer)
 from PySide6.QtMultimediaWidgets import QVideoWidget
 
diff --git a/examples/network/fortuneclient/fortuneclient.py b/examples/network/fortuneclient/fortuneclient.py
index 2b7ecfb85..b695c2ea8 100644
--- a/examples/network/fortuneclient/fortuneclient.py
+++ b/examples/network/fortuneclient/fortuneclient.py
@@ -6,12 +6,11 @@
 
 import sys
 
-from PySide6.QtCore import QDataStream, QTimer, Qt
+from PySide6.QtCore import QDataStream, QTimer
 from PySide6.QtGui import QIntValidator
 from PySide6.QtNetwork import QAbstractSocket, QTcpSocket
 from PySide6.QtWidgets import (QApplication, QDialog, QDialogButtonBox, QGridLayout,
-                               QLabel, QLineEdit, QMessageBox, QPushButton,
-                               QVBoxLayout, QWidget)
+                               QLabel, QLineEdit, QMessageBox, QPushButton)
 
 
 class Client(QDialog):
diff --git a/examples/network/fortuneserver/fortuneserver.py b/examples/network/fortuneserver/fortuneserver.py
index 0ddc1f02a..d84c9dcfd 100644
--- a/examples/network/fortuneserver/fortuneserver.py
+++ b/examples/network/fortuneserver/fortuneserver.py
@@ -11,7 +11,7 @@ from PySide6.QtCore import QByteArray, QDataStream, QIODevice, Qt
 from PySide6.QtNetwork import QTcpServer
 from PySide6.QtWidgets import (QApplication, QDialog, QHBoxLayout,
                                QLabel, QMessageBox, QPushButton,
-                               QVBoxLayout, QWidget)
+                               QVBoxLayout)
 
 
 class Server(QDialog):
diff --git a/examples/opengl/hellogl2/hellogl2.py b/examples/opengl/hellogl2/hellogl2.py
index e66177e04..ce871cda1 100644
--- a/examples/opengl/hellogl2/hellogl2.py
+++ b/examples/opengl/hellogl2/hellogl2.py
@@ -8,8 +8,7 @@ from argparse import ArgumentParser, RawTextHelpFormatter
 import ctypes
 import math
 import sys
-from PySide6.QtCore import (QCoreApplication, Signal, Slot,
-                            Qt, QSize, QPointF)
+from PySide6.QtCore import Signal, Slot, Qt, QSize, QPointF
 from PySide6.QtGui import (QVector3D, QOpenGLFunctions,
     QMatrix4x4, QOpenGLContext, QSurfaceFormat, QVector3DList)
 from PySide6.QtOpenGL import (QOpenGLVertexArrayObject, QOpenGLBuffer,
diff --git a/examples/qml/referenceexamples/binding/happybirthdaysong.py b/examples/qml/referenceexamples/binding/happybirthdaysong.py
index cfe34eb82..80b288d81 100644
--- a/examples/qml/referenceexamples/binding/happybirthdaysong.py
+++ b/examples/qml/referenceexamples/binding/happybirthdaysong.py
@@ -1,7 +1,7 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-from PySide6.QtCore import QObject, QTimer, Property, Slot
+from PySide6.QtCore import QTimer, Property, Slot
 from PySide6.QtQml import QmlElement, QPyQmlPropertyValueSource
 
 # To be used on the @QmlElement decorator
diff --git a/examples/qml/referenceexamples/valuesource/happybirthdaysong.py b/examples/qml/referenceexamples/valuesource/happybirthdaysong.py
index cffddd39e..30aa6b59b 100644
--- a/examples/qml/referenceexamples/valuesource/happybirthdaysong.py
+++ b/examples/qml/referenceexamples/valuesource/happybirthdaysong.py
@@ -1,7 +1,7 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-from PySide6.QtCore import QObject, QTimer, Property, Slot
+from PySide6.QtCore import QTimer, Property, Slot
 from PySide6.QtQml import QmlElement, QPyQmlPropertyValueSource
 
 # To be used on the @QmlElement decorator
diff --git a/examples/quick/rendercontrol/rendercontrol_opengl/cuberenderer.py b/examples/quick/rendercontrol/rendercontrol_opengl/cuberenderer.py
index 4a3bf737c..ae56988aa 100644
--- a/examples/quick/rendercontrol/rendercontrol_opengl/cuberenderer.py
+++ b/examples/quick/rendercontrol/rendercontrol_opengl/cuberenderer.py
@@ -7,8 +7,7 @@ from OpenGL.GL import (GL_COLOR_BUFFER_BIT, GL_CULL_FACE, GL_CW,
                        GL_DEPTH_BUFFER_BIT, GL_DEPTH_TEST, GL_FALSE, GL_FLOAT,
                        GL_TEXTURE_2D, GL_TRIANGLES)
 
-from PySide6.QtGui import (QMatrix4x4, QOffscreenSurface, QOpenGLContext,
-                           QOpenGLFunctions, QWindow)
+from PySide6.QtGui import QMatrix4x4, QOpenGLContext
 from PySide6.QtOpenGL import (QOpenGLBuffer, QOpenGLShader,
                               QOpenGLShaderProgram, QOpenGLVertexArrayObject)
 from shiboken6 import VoidPtr
diff --git a/examples/quick/rendercontrol/rendercontrol_opengl/window_singlethreaded.py b/examples/quick/rendercontrol/rendercontrol_opengl/window_singlethreaded.py
index 164d6a08c..051647696 100644
--- a/examples/quick/rendercontrol/rendercontrol_opengl/window_singlethreaded.py
+++ b/examples/quick/rendercontrol/rendercontrol_opengl/window_singlethreaded.py
@@ -3,20 +3,17 @@
 
 import numpy
 from pathlib import Path
-import sys
 import weakref
 from OpenGL.GL import (GL_TEXTURE_MAG_FILTER, GL_TEXTURE_MIN_FILTER,
                        GL_NEAREST, GL_RGBA, GL_TEXTURE_2D, GL_UNSIGNED_BYTE)
 
-from PySide6.QtGui import (QMatrix4x4, QMouseEvent, QOffscreenSurface,
-                           QOpenGLContext, QOpenGLFunctions, QScreen, QSurface,
+from PySide6.QtGui import (QMouseEvent, QOffscreenSurface,
+                           QOpenGLContext, QSurface,
                            QSurfaceFormat, QWindow)
-from PySide6.QtOpenGL import (QOpenGLFramebufferObject, QOpenGLTexture,
-                              QOpenGLShaderProgram, QOpenGLVertexArrayObject,
-                              QOpenGLBuffer)
+from PySide6.QtOpenGL import QOpenGLFramebufferObject
 from PySide6.QtQml import QQmlComponent, QQmlEngine
 from PySide6.QtQuick import (QQuickGraphicsDevice,
-                             QQuickItem, QQuickRenderControl,
+                             QQuickRenderControl,
                              QQuickRenderTarget, QQuickWindow)
 from PySide6.QtCore import QCoreApplication, QTimer, QUrl, Slot
 from shiboken6 import VoidPtr
diff --git a/examples/quick/scenegraph/openglunderqml/squirclerenderer.py b/examples/quick/scenegraph/openglunderqml/squirclerenderer.py
index 5d1759251..d824f96ab 100644
--- a/examples/quick/scenegraph/openglunderqml/squirclerenderer.py
+++ b/examples/quick/scenegraph/openglunderqml/squirclerenderer.py
@@ -8,8 +8,7 @@ from OpenGL.GL import (GL_ARRAY_BUFFER, GL_BLEND, GL_DEPTH_TEST, GL_FLOAT,
                        GL_ONE, GL_SRC_ALPHA, GL_TRIANGLE_STRIP)
 from PySide6.QtCore import QSize, Slot
 from PySide6.QtGui import QOpenGLFunctions
-from PySide6.QtOpenGL import (QOpenGLShader, QOpenGLShaderProgram,
-                              QOpenGLVersionProfile)
+from PySide6.QtOpenGL import QOpenGLShader, QOpenGLShaderProgram
 from PySide6.QtQuick import QQuickWindow, QSGRendererInterface
 
 VERTEX_SHADER = dedent(
diff --git a/examples/serialbus/modbus/modbusclient/settingsdialog.py b/examples/serialbus/modbus/modbusclient/settingsdialog.py
index a4a1970cb..a5e4a37ca 100644
--- a/examples/serialbus/modbus/modbusclient/settingsdialog.py
+++ b/examples/serialbus/modbus/modbusclient/settingsdialog.py
@@ -1,7 +1,7 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-from PySide6.QtCore import Qt, Slot
+from PySide6.QtCore import Slot
 from PySide6.QtWidgets import QDialog
 from PySide6.QtSerialPort import QSerialPort
 
diff --git a/examples/sql/books/bookwindow.py b/examples/sql/books/bookwindow.py
index 0eb5fecad..4acb63d44 100644
--- a/examples/sql/books/bookwindow.py
+++ b/examples/sql/books/bookwindow.py
@@ -75,7 +75,7 @@ class BookWindow(QMainWindow, Ui_BookWindow):
         self.bookTable.setCurrentIndex(model.index(0, 0))
         self.create_menubar()
 
-    def showError(err):
+    def showError(self, err):
         QMessageBox.critical(self, "Unable to initialize Database",
                     f"Error initializing database: {err.text()}")
 
diff --git a/examples/statemachine/eventtrans/eventtrans.py b/examples/statemachine/eventtrans/eventtrans.py
index b1c74a21f..b92118613 100644
--- a/examples/statemachine/eventtrans/eventtrans.py
+++ b/examples/statemachine/eventtrans/eventtrans.py
@@ -4,7 +4,7 @@
 
 import sys
 
-from PySide6.QtCore import QEvent, QRect, Qt
+from PySide6.QtCore import QEvent, QRect
 from PySide6.QtWidgets import QApplication, QMainWindow, QPushButton
 from PySide6.QtStateMachine import QEventTransition, QState, QStateMachine
 
diff --git a/examples/statemachine/factstates/factstates.py b/examples/statemachine/factstates/factstates.py
index aacf8f19b..5c2bc97bf 100644
--- a/examples/statemachine/factstates/factstates.py
+++ b/examples/statemachine/factstates/factstates.py
@@ -4,7 +4,7 @@
 
 import sys
 
-from PySide6.QtCore import QCoreApplication, QObject, Qt, Property, Signal
+from PySide6.QtCore import QCoreApplication, QObject, Property, Signal
 from PySide6.QtStateMachine import (QFinalState, QSignalTransition, QState,
                                     QStateMachine)
 
diff --git a/examples/uitools/uiloader/uiloader.py b/examples/uitools/uiloader/uiloader.py
index a7bcf2506..265c93837 100644
--- a/examples/uitools/uiloader/uiloader.py
+++ b/examples/uitools/uiloader/uiloader.py
@@ -7,8 +7,8 @@
 from argparse import ArgumentParser, RawTextHelpFormatter
 import sys
 
-from PySide6.QtCore import Qt, QFile, QIODevice
-from PySide6.QtWidgets import QApplication, QWidget
+from PySide6.QtCore import QFile, QIODevice
+from PySide6.QtWidgets import QApplication
 from PySide6.QtUiTools import QUiLoader
 
 
diff --git a/examples/widgets/dialogs/classwizard/classwizard.py b/examples/widgets/dialogs/classwizard/classwizard.py
index b657308e0..296cff06e 100644
--- a/examples/widgets/dialogs/classwizard/classwizard.py
+++ b/examples/widgets/dialogs/classwizard/classwizard.py
@@ -13,7 +13,7 @@ from PySide6.QtWidgets import (QApplication, QComboBox, QCheckBox, QFormLayout,
                                QMessageBox, QToolButton, QVBoxLayout, QWizard,
                                QWizardPage)
 
-from listchooser import ListChooser, PropertyChooser, SignalChooser
+from listchooser import PropertyChooser, SignalChooser
 
 import classwizard_rc
 
diff --git a/examples/widgets/graphicsview/diagramscene/diagramscene.py b/examples/widgets/graphicsview/diagramscene/diagramscene.py
index ea39cf938..3348577a4 100644
--- a/examples/widgets/graphicsview/diagramscene/diagramscene.py
+++ b/examples/widgets/graphicsview/diagramscene/diagramscene.py
@@ -532,7 +532,6 @@ class MainWindow(QMainWindow):
     @Slot(QGraphicsItem)
     def item_selected(self, item):
         font = item.font()
-        color = item.defaultTextColor()
         self._font_combo.setCurrentFont(font)
         self._font_size_combo.setEditText(str(font.pointSize()))
         self._bold_action.setChecked(font.weight() == QFont.Bold)
diff --git a/examples/widgets/itemviews/jsonmodel/jsonmodel.py b/examples/widgets/itemviews/jsonmodel/jsonmodel.py
index c0adfc664..6e614c77f 100644
--- a/examples/widgets/itemviews/jsonmodel/jsonmodel.py
+++ b/examples/widgets/itemviews/jsonmodel/jsonmodel.py
@@ -3,7 +3,7 @@
 
 import json
 import sys
-from typing import Any, Iterable, List, Dict, Union
+from typing import Any, List, Dict, Union
 
 from PySide6.QtWidgets import QTreeView, QApplication, QHeaderView
 from PySide6.QtCore import QAbstractItemModel, QModelIndex, QObject, Qt, QFileInfo
@@ -182,10 +182,7 @@ class JsonModel(QAbstractItemModel):
                 item = index.internalPointer()
                 item.value = str(value)
 
-                if __binding__ in ("PySide", "PyQt4"):
-                    self.dataChanged.emit(index, index)
-                else:
-                    self.dataChanged.emit(index, index, [Qt.EditRole])
+                self.dataChanged.emit(index, index, [Qt.EditRole])
 
                 return True
 
diff --git a/examples/widgets/tutorials/addressbook/part1.py b/examples/widgets/tutorials/addressbook/part1.py
index e26206d8f..648ddea46 100644
--- a/examples/widgets/tutorials/addressbook/part1.py
+++ b/examples/widgets/tutorials/addressbook/part1.py
@@ -5,9 +5,8 @@
 import sys
 
 from PySide6.QtCore import Qt
-from PySide6.QtWidgets import (QApplication, QGridLayout,
-                               QLabel, QGridLayout, QLineEdit, QTextEdit,
-                               QWidget)
+from PySide6.QtWidgets import (QApplication, QGridLayout, QLabel, QLineEdit,
+                               QTextEdit, QWidget)
 
 
 class AddressBook(QWidget):
diff --git a/examples/widgets/widgetsgallery/main.py b/examples/widgets/widgetsgallery/main.py
index dadd1a91a..e40077a38 100644
--- a/examples/widgets/widgetsgallery/main.py
+++ b/examples/widgets/widgetsgallery/main.py
@@ -5,7 +5,6 @@
 
 import sys
 
-from PySide6.QtCore import QCoreApplication, Qt
 from PySide6.QtWidgets import QApplication
 from widgetgallery import WidgetGallery
 
diff --git a/examples/widgets/widgetsgallery/widgetgallery.py b/examples/widgets/widgetsgallery/widgetgallery.py
index 6178ee0d7..bf1f523e2 100644
--- a/examples/widgets/widgetsgallery/widgetgallery.py
+++ b/examples/widgets/widgetsgallery/widgetgallery.py
@@ -3,13 +3,21 @@
 
 import sys
 
-from PySide6.QtWidgets import *
+from PySide6.QtCore import (QDateTime, QDir, QLibraryInfo, QSysInfo, Qt,
+                            QTimer, Slot, qVersion)
 from PySide6.QtGui import (QCursor, QDesktopServices, QGuiApplication, QIcon,
                            QKeySequence, QShortcut, QStandardItem,
                            QStandardItemModel)
-from PySide6.QtCore import (QDateTime, QDir, QLibraryInfo,
-                            QSysInfo, QTimer, Qt, qVersion, Slot)
-
+from PySide6.QtWidgets import (QApplication, QCheckBox, QComboBox,
+                               QCommandLinkButton, QDateTimeEdit, QDial,
+                               QDialog, QDialogButtonBox, QFileSystemModel,
+                               QGridLayout, QGroupBox, QHBoxLayout, QLabel,
+                               QLineEdit, QListView, QMenu, QPlainTextEdit,
+                               QProgressBar, QPushButton, QRadioButton,
+                               QScrollBar, QSizePolicy, QSlider, QSpinBox,
+                               QStyleFactory, QTableWidget, QTabWidget,
+                               QTextBrowser, QTextEdit, QToolBox, QToolButton,
+                               QTreeView, QVBoxLayout, QWidget)
 
 POEM = """Twinkle, twinkle, little star,
 How I wonder what you are.
diff --git a/examples/xml/dombookmarks/dombookmarks.py b/examples/xml/dombookmarks/dombookmarks.py
index a641c5786..e77adc3d1 100644
--- a/examples/xml/dombookmarks/dombookmarks.py
+++ b/examples/xml/dombookmarks/dombookmarks.py
@@ -6,9 +6,11 @@
 
 import sys
 
-from PySide6.QtCore import QDir, QFile, Qt
+from PySide6.QtCore import QDir, QFile, Qt, QTextStream
 from PySide6.QtGui import QAction, QIcon
-from PySide6.QtWidgets import (QApplication, QFileDialog, QHeaderView, QMainWindow, QMessageBox, QStyle, QTreeWidget, QTreeWidgetItem, QWidget)
+from PySide6.QtWidgets import (QApplication, QFileDialog, QHeaderView,
+                               QMainWindow, QMessageBox, QStyle, QTreeWidget,
+                               QTreeWidgetItem)
 from PySide6.QtXml import QDomDocument
 
 
@@ -138,7 +140,7 @@ class XbelTree(QTreeWidget):
         # It might not be connected.
         try:
             self.itemChanged.disconnect(self.update_dom_element)
-        except:
+        except RuntimeError:
             pass
 
         child = root.firstChildElement('folder')