QtCharts: Remove namespace

Adapt to 227020b118fa38ada1d8bd579593dae61f6e3881.

Task-number: PYSIDE-904
Task-number: PYSIDE-1482
Change-Id: I9adb78cfe60efd0df73be52132b4ea029986ea18
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

12 files changed, 109 insertions, 101 deletions

diff --git a/examples/charts/audio.py b/examples/charts/audio.py
index 6d7b4895a..969f2b9ab 100644
--- a/examples/charts/audio.py
+++ b/examples/charts/audio.py
@@ -1,7 +1,7 @@
 
 #############################################################################
 ##
-## Copyright (C) 2018 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -42,7 +42,7 @@
 """PySide6 port of the charts/audio example from Qt v5.x"""
 
 import sys
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import QChart, QChartView, QLineSeries, QValueAxis
 from PySide6.QtCore import QPointF
 from PySide6.QtMultimedia import (QAudioDeviceInfo, QAudioFormat,
         QAudioInput)
@@ -55,14 +55,14 @@ class MainWindow(QMainWindow):
     def __init__(self, device):
         super(MainWindow, self).__init__()
 
-        self.series = QtCharts.QLineSeries()
-        self.chart = QtCharts.QChart()
+        self.series = QLineSeries()
+        self.chart = QChart()
         self.chart.addSeries(self.series)
-        self.axisX = QtCharts.QValueAxis()
+        self.axisX = QValueAxis()
         self.axisX.setRange(0, sampleCount)
         self.axisX.setLabelFormat("%g")
         self.axisX.setTitleText("Samples")
-        self.axisY = QtCharts.QValueAxis()
+        self.axisY = QValueAxis()
         self.axisY.setRange(-1, 1)
         self.axisY.setTitleText("Audio level")
         self.chart.setAxisX(self.axisX, self.series)
@@ -82,7 +82,7 @@ class MainWindow(QMainWindow):
         self.ioDevice = self.audioInput.start()
         self.ioDevice.readyRead.connect(self._readyRead)
 
-        self.chartView = QtCharts.QChartView(self.chart)
+        self.chartView = QChartView(self.chart)
         self.setCentralWidget(self.chartView)
 
         self.buffer = [QPointF(x, 0) for x in range(sampleCount)]
diff --git a/examples/charts/donutbreakdown.py b/examples/charts/donutbreakdown.py
index cde318087..4c319c84f 100644
--- a/examples/charts/donutbreakdown.py
+++ b/examples/charts/donutbreakdown.py
@@ -1,6 +1,6 @@
 #############################################################################
 ##
-## Copyright (C) 2018 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -43,11 +43,11 @@
 
 import sys
 from PySide6.QtCore import Qt
-from PySide6.QtGui import QColor, QFont, QPainter
+from PySide6.QtGui import QColor, QFont, QPainter, QScreen
 from PySide6.QtWidgets import QApplication, QMainWindow
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import QChart, QChartView, QPieSeries, QPieSlice
 
-class MainSlice(QtCharts.QPieSlice):
+class MainSlice(QPieSlice):
     def __init__(self, breakdown_series, parent=None):
         super(MainSlice, self).__init__(parent)
 
@@ -70,10 +70,11 @@ class MainSlice(QtCharts.QPieSlice):
             self.percentage() * 100))
 
 
-class DonutBreakdownChart(QtCharts.QChart):
+class DonutBreakdownChart(QChart):
     def __init__(self, parent=None):
-        super(DonutBreakdownChart, self).__init__(QtCharts.QChart.ChartTypeCartesian, parent, Qt.WindowFlags())
-        self.main_series = QtCharts.QPieSeries()
+        super(DonutBreakdownChart, self).__init__(QChart.ChartTypeCartesian,
+                                                  parent, Qt.WindowFlags())
+        self.main_series = QPieSeries()
         self.main_series.setPieSize(0.7)
         self.addSeries(self.main_series)
 
@@ -90,7 +91,7 @@ class DonutBreakdownChart(QtCharts.QChart):
         main_slice.setBrush(color)
         main_slice.setLabelVisible()
         main_slice.setLabelColor(Qt.white)
-        main_slice.setLabelPosition(QtCharts.QPieSlice.LabelInsideHorizontal)
+        main_slice.setLabelPosition(QPieSlice.LabelInsideHorizontal)
         main_slice.setLabelFont(font)
 
         # position and customize the breakdown series
@@ -142,27 +143,27 @@ if __name__ == "__main__":
     #    'Total consumption of energy increased by 10 per cent in 2010'
     # Statistics Finland, 13 December 2011
     # http://www.stat.fi/til/ekul/2010/ekul_2010_2011-12-13_tie_001_en.html
-    series1 = QtCharts.QPieSeries()
+    series1 = QPieSeries()
     series1.setName("Fossil fuels")
     series1.append("Oil", 353295)
     series1.append("Coal", 188500)
     series1.append("Natural gas", 148680)
     series1.append("Peat", 94545)
 
-    series2 = QtCharts.QPieSeries()
+    series2 = QPieSeries()
     series2.setName("Renewables")
     series2.append("Wood fuels", 319663)
     series2.append("Hydro power", 45875)
     series2.append("Wind power", 1060)
 
-    series3 = QtCharts.QPieSeries()
+    series3 = QPieSeries()
     series3.setName("Others")
     series3.append("Nuclear energy", 238789)
     series3.append("Import energy", 37802)
     series3.append("Other", 32441)
 
     donut_breakdown = DonutBreakdownChart()
-    donut_breakdown.setAnimationOptions(QtCharts.QChart.AllAnimations)
+    donut_breakdown.setAnimationOptions(QChart.AllAnimations)
     donut_breakdown.setTitle("Total consumption of energy in Finland 2010")
     donut_breakdown.legend().setAlignment(Qt.AlignRight)
     donut_breakdown.add_breakdown_series(series1, Qt.red)
@@ -170,10 +171,10 @@ if __name__ == "__main__":
     donut_breakdown.add_breakdown_series(series3, Qt.darkBlue)
 
     window = QMainWindow()
-    chart_view = QtCharts.QChartView(donut_breakdown)
+    chart_view = QChartView(donut_breakdown)
     chart_view.setRenderHint(QPainter.Antialiasing)
     window.setCentralWidget(chart_view)
-    available_geometry = app.desktop().availableGeometry(window)
+    available_geometry = window.screen().availableGeometry()
     size = available_geometry.height() * 0.75
     window.resize(size, size * 0.8)
     window.show()
diff --git a/examples/charts/legend.py b/examples/charts/legend.py
index b833ccedd..71fd94885 100644
--- a/examples/charts/legend.py
+++ b/examples/charts/legend.py
@@ -1,6 +1,6 @@
 #############################################################################
 ##
-## Copyright (C) 2018 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -45,13 +45,13 @@ from PySide6.QtCore import Qt, QRectF
 from PySide6.QtGui import QBrush, QColor, QPainter, QPen
 from PySide6.QtWidgets import (QApplication, QDoubleSpinBox,
     QFormLayout, QGridLayout, QGroupBox, QPushButton, QWidget)
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import QBarSeries, QBarSet, QChart, QChartView
 
 class MainWidget(QWidget):
     def __init__(self, parent=None):
         super(MainWidget, self).__init__(parent)
-        self.chart = QtCharts.QChart()
-        self.series = QtCharts.QBarSeries()
+        self.chart = QChart()
+        self.series = QBarSeries()
 
         self.main_layout = QGridLayout()
         self.button_layout = QGridLayout()
@@ -105,7 +105,7 @@ class MainWidget(QWidget):
         self.legend_settings.setVisible(False)
 
         # Create chart view with the chart
-        self.chart_view = QtCharts.QChartView(self.chart, self)
+        self.chart_view = QChartView(self.chart, self)
 
         # Create spinbox to modify font size
         self.font_size.setValue(self.chart.legend().font().pointSizeF())
@@ -177,7 +177,7 @@ class MainWidget(QWidget):
 
     def add_barset(self):
         series_count = self.series.count()
-        bar_set = QtCharts.QBarSet("set {}".format(series_count))
+        bar_set = QBarSet(f"set {series_count}")
         delta = series_count * 0.1
         bar_set.append([1 + delta, 2 + delta, 3 + delta, 4 + delta])
         self.series.append(bar_set)
@@ -245,7 +245,7 @@ class MainWidget(QWidget):
 if __name__ == "__main__":
     app = QApplication(sys.argv)
     w = MainWidget()
-    available_geometry = app.desktop().availableGeometry(w)
+    available_geometry = w.screen().availableGeometry()
     size = available_geometry.height() * 0.75
     w.setFixedSize(size, size)
     w.show()
diff --git a/examples/charts/lineandbar.py b/examples/charts/lineandbar.py
index e06298e63..219da17b5 100644
--- a/examples/charts/lineandbar.py
+++ b/examples/charts/lineandbar.py
@@ -1,7 +1,7 @@
 
 #############################################################################
 ##
-## Copyright (C) 2018 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -45,18 +45,19 @@ import sys
 from PySide6.QtCore import QPoint, Qt
 from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import QMainWindow, QApplication
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import (QBarCategoryAxis, QBarSeries, QBarSet, QChart,
+                              QChartView, QLineSeries, QValueAxis)
 
 
 class TestChart(QMainWindow):
     def __init__(self):
         QMainWindow.__init__(self)
 
-        self.set0 = QtCharts.QBarSet("Jane")
-        self.set1 = QtCharts.QBarSet("John")
-        self.set2 = QtCharts.QBarSet("Axel")
-        self.set3 = QtCharts.QBarSet("Mary")
-        self.set4 = QtCharts.QBarSet("Sam")
+        self.set0 = QBarSet("Jane")
+        self.set1 = QBarSet("John")
+        self.set2 = QBarSet("Axel")
+        self.set3 = QBarSet("Mary")
+        self.set4 = QBarSet("Sam")
 
         self.set0.append([1, 2, 3, 4, 5, 6])
         self.set1.append([5, 0, 0, 4, 0, 7])
@@ -64,14 +65,14 @@ class TestChart(QMainWindow):
         self.set3.append([5, 6, 7, 3, 4, 5])
         self.set4.append([9, 7, 5, 3, 1, 2])
 
-        self.barSeries = QtCharts.QBarSeries()
+        self.barSeries = QBarSeries()
         self.barSeries.append(self.set0)
         self.barSeries.append(self.set1)
         self.barSeries.append(self.set2)
         self.barSeries.append(self.set3)
         self.barSeries.append(self.set4)
 
-        self.lineSeries = QtCharts.QLineSeries()
+        self.lineSeries = QLineSeries()
         self.lineSeries.setName("trend")
         self.lineSeries.append(QPoint(0, 4))
         self.lineSeries.append(QPoint(1, 15))
@@ -80,19 +81,19 @@ class TestChart(QMainWindow):
         self.lineSeries.append(QPoint(4, 12))
         self.lineSeries.append(QPoint(5, 17))
 
-        self.chart = QtCharts.QChart()
+        self.chart = QChart()
         self.chart.addSeries(self.barSeries)
         self.chart.addSeries(self.lineSeries)
         self.chart.setTitle("Line and barchart example")
 
         self.categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
-        self.axisX = QtCharts.QBarCategoryAxis()
+        self.axisX = QBarCategoryAxis()
         self.axisX.append(self.categories)
         self.chart.setAxisX(self.axisX, self.lineSeries)
         self.chart.setAxisX(self.axisX, self.barSeries)
         self.axisX.setRange("Jan", "Jun")
 
-        self.axisY = QtCharts.QValueAxis()
+        self.axisY = QValueAxis()
         self.chart.setAxisY(self.axisY, self.lineSeries)
         self.chart.setAxisY(self.axisY, self.barSeries)
         self.axisY.setRange(0, 20)
@@ -100,7 +101,7 @@ class TestChart(QMainWindow):
         self.chart.legend().setVisible(True)
         self.chart.legend().setAlignment(Qt.AlignBottom)
 
-        self.chartView = QtCharts.QChartView(self.chart)
+        self.chartView = QChartView(self.chart)
         self.chartView.setRenderHint(QPainter.Antialiasing)
 
         self.setCentralWidget(self.chartView)
diff --git a/examples/charts/linechart.py b/examples/charts/linechart.py
index 7a3e15f60..84cd0c8b3 100644
--- a/examples/charts/linechart.py
+++ b/examples/charts/linechart.py
@@ -1,6 +1,6 @@
 #############################################################################
 ##
-## Copyright (C) 2020 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -44,14 +44,14 @@ import sys
 from PySide6.QtCore import QPointF
 from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import QMainWindow, QApplication
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import QChart, QChartView, QLineSeries
 
 
 class TestChart(QMainWindow):
     def __init__(self):
         QMainWindow.__init__(self)
 
-        self.series = QtCharts.QLineSeries()
+        self.series = QLineSeries()
         self.series.append(0, 6)
         self.series.append(2, 4)
         self.series.append(3, 8)
@@ -63,13 +63,13 @@ class TestChart(QMainWindow):
         self.series.append(QPointF(18, 3))
         self.series.append(QPointF(20, 2))
 
-        self.chart = QtCharts.QChart()
+        self.chart = QChart()
         self.chart.legend().hide()
         self.chart.addSeries(self.series)
         self.chart.createDefaultAxes()
         self.chart.setTitle("Simple line chart example")
 
-        self.chartView = QtCharts.QChartView(self.chart)
+        self.chartView = QChartView(self.chart)
         self.chartView.setRenderHint(QPainter.Antialiasing)
 
         self.setCentralWidget(self.chartView)
diff --git a/examples/charts/logvalueaxis.py b/examples/charts/logvalueaxis.py
index 37558ecb7..c5e90c584 100644
--- a/examples/charts/logvalueaxis.py
+++ b/examples/charts/logvalueaxis.py
@@ -1,6 +1,6 @@
 #############################################################################
 ##
-## Copyright (C) 2020 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -46,31 +46,32 @@ import sys
 from PySide6.QtCore import Qt, QPointF
 from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import QMainWindow, QApplication
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import (QChart, QChartView, QLineSeries, QLogValueAxis,
+                              QValueAxis)
 
 
 class TestChart(QMainWindow):
     def __init__(self):
         QMainWindow.__init__(self)
 
-        self.series = QtCharts.QLineSeries()
+        self.series = QLineSeries()
         self.series.append([
             QPointF(1.0, 1.0), QPointF(2.0, 73.0), QPointF(3.0, 268.0),
             QPointF(4.0, 17.0), QPointF(5.0, 4325.0), QPointF(6.0, 723.0)])
 
-        self.chart = QtCharts.QChart()
+        self.chart = QChart()
         self.chart.addSeries(self.series)
         self.chart.legend().hide()
         self.chart.setTitle("Logarithmic axis example")
 
-        self.axisX = QtCharts.QValueAxis()
+        self.axisX = QValueAxis()
         self.axisX.setTitleText("Data point")
         self.axisX.setLabelFormat("%i")
         self.axisX.setTickCount(self.series.count())
         self.chart.addAxis(self.axisX, Qt.AlignBottom)
         self.series.attachAxis(self.axisX)
 
-        self.axisY = QtCharts.QLogValueAxis()
+        self.axisY = QLogValueAxis()
         self.axisY.setTitleText("Values")
         self.axisY.setLabelFormat("%g")
         self.axisY.setBase(8.0)
@@ -78,7 +79,7 @@ class TestChart(QMainWindow):
         self.chart.addAxis(self.axisY, Qt.AlignLeft)
         self.series.attachAxis(self.axisY)
 
-        self.chartView = QtCharts.QChartView(self.chart)
+        self.chartView = QChartView(self.chart)
         self.chartView.setRenderHint(QPainter.Antialiasing)
 
         self.setCentralWidget(self.chartView)
diff --git a/examples/charts/memoryusage.py b/examples/charts/memoryusage.py
index 9d7a99311..a6c536de5 100644
--- a/examples/charts/memoryusage.py
+++ b/examples/charts/memoryusage.py
@@ -1,7 +1,7 @@
 
 #############################################################################
 ##
-## Copyright (C) 2017 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -45,7 +45,8 @@ import os
 import sys
 from PySide6.QtCore import QProcess
 from PySide6.QtWidgets import QApplication, QMainWindow
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import QChart, QChartView, QPieSeries
+
 
 def runProcess(command, arguments):
     process = QProcess()
@@ -103,22 +104,22 @@ class MainWindow(QMainWindow):
         if len(memoryUsage) > 5:
             memoryUsage = memoryUsage[0:4]
 
-        self.series = QtCharts.QPieSeries()
+        self.series = QPieSeries()
         for item in memoryUsage:
             self.series.append(item[0], item[1])
 
         slice = self.series.slices()[0]
         slice.setExploded()
         slice.setLabelVisible()
-        self.chart = QtCharts.QChart()
+        self.chart = QChart()
         self.chart.addSeries(self.series)
-        self.chartView = QtCharts.QChartView(self.chart)
+        self.chartView = QChartView(self.chart)
         self.setCentralWidget(self.chartView)
 
 if __name__ == '__main__':
     app = QApplication(sys.argv)
     mainWin = MainWindow()
-    availableGeometry = app.desktop().availableGeometry(mainWin)
+    availableGeometry = mainWin.screen().availableGeometry()
     size = availableGeometry.height() * 3 / 4
     mainWin.resize(size, size)
     mainWin.show()
diff --git a/examples/charts/modeldata.py b/examples/charts/modeldata.py
index 739b73d63..1d10190f4 100644
--- a/examples/charts/modeldata.py
+++ b/examples/charts/modeldata.py
@@ -1,7 +1,7 @@
 
 #############################################################################
 ##
-## Copyright (C) 2018 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -48,7 +48,8 @@ from PySide6.QtCore import QAbstractTableModel, QModelIndex, QRect, Qt
 from PySide6.QtGui import QColor, QPainter
 from PySide6.QtWidgets import (QApplication, QGridLayout, QHeaderView,
     QTableView, QWidget)
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import QChart, QChartView, QLineSeries, QVXYModelMapper
+
 
 class CustomTableModel(QAbstractTableModel):
     def __init__(self):
@@ -127,12 +128,12 @@ class TableWidget(QWidget):
         self.table_view.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
         self.table_view.verticalHeader().setSectionResizeMode(QHeaderView.Stretch)
 
-        self.chart = QtCharts.QChart()
-        self.chart.setAnimationOptions(QtCharts.QChart.AllAnimations)
+        self.chart = QChart()
+        self.chart.setAnimationOptions(QChart.AllAnimations)
 
-        self.series = QtCharts.QLineSeries()
+        self.series = QLineSeries()
         self.series.setName("Line 1")
-        self.mapper = QtCharts.QVXYModelMapper(self)
+        self.mapper = QVXYModelMapper(self)
         self.mapper.setXColumn(0)
         self.mapper.setYColumn(1)
         self.mapper.setSeries(self.series)
@@ -147,10 +148,10 @@ class TableWidget(QWidget):
         self.model.add_mapping(seriesColorHex, QRect(0, 0, 2, self.model.rowCount()))
 
         # series 2
-        self.series = QtCharts.QLineSeries()
+        self.series = QLineSeries()
         self.series.setName("Line 2")
 
-        self.mapper = QtCharts.QVXYModelMapper(self)
+        self.mapper = QVXYModelMapper(self)
         self.mapper.setXColumn(2)
         self.mapper.setYColumn(3)
         self.mapper.setSeries(self.series)
@@ -162,7 +163,7 @@ class TableWidget(QWidget):
         self.model.add_mapping(seriesColorHex, QRect(2, 0, 2, self.model.rowCount()))
 
         self.chart.createDefaultAxes()
-        self.chart_view = QtCharts.QChartView(self.chart)
+        self.chart_view = QChartView(self.chart)
         self.chart_view.setRenderHint(QPainter.Antialiasing)
         self.chart_view.setMinimumSize(640, 480)
 
diff --git a/examples/charts/nesteddonuts.py b/examples/charts/nesteddonuts.py
index 09c77d022..9005980a2 100644
--- a/examples/charts/nesteddonuts.py
+++ b/examples/charts/nesteddonuts.py
@@ -46,7 +46,8 @@ import sys
 from PySide6.QtCore import Qt, QTimer
 from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import QApplication, QGridLayout, QWidget
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import QChart, QChartView, QPieSeries, QPieSlice
+
 
 from random import randrange
 from functools import partial
@@ -56,12 +57,12 @@ class Widget(QWidget):
         QWidget.__init__(self)
         self.setMinimumSize(800, 600)
         self.donuts = []
-        self.chart_view = QtCharts.QChartView()
+        self.chart_view = QChartView()
         self.chart_view.setRenderHint(QPainter.Antialiasing)
         self.chart = self.chart_view.chart()
         self.chart.legend().setVisible(False)
         self.chart.setTitle("Nested donuts demo")
-        self.chart.setAnimationOptions(QtCharts.QChart.AllAnimations)
+        self.chart.setAnimationOptions(QChart.AllAnimations)
 
         self.min_size = 0.1
         self.max_size = 0.9
@@ -80,15 +81,15 @@ class Widget(QWidget):
 
     def setup_donuts(self):
         for i in range(self.donut_count):
-            donut = QtCharts.QPieSeries()
+            donut = QPieSeries()
             slccount = randrange(3, 6)
             for j in range(slccount):
                 value = randrange(100, 200)
 
-                slc = QtCharts.QPieSlice(str(value), value)
+                slc = QPieSlice(str(value), value)
                 slc.setLabelVisible(True)
                 slc.setLabelColor(Qt.white)
-                slc.setLabelPosition(QtCharts.QPieSlice.LabelInsideTangential)
+                slc.setLabelPosition(QPieSlice.LabelInsideTangential)
 
                 # Connection using an extra parameter for the slot
                 slc.hovered[bool].connect(partial(self.explode_slice, slc=slc))
diff --git a/examples/charts/percentbarchart.py b/examples/charts/percentbarchart.py
index a70cae7cf..b9301f36e 100644
--- a/examples/charts/percentbarchart.py
+++ b/examples/charts/percentbarchart.py
@@ -1,7 +1,7 @@
 
 #############################################################################
 ##
-## Copyright (C) 2018 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -45,17 +45,18 @@ import sys
 from PySide6.QtCore import Qt
 from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import (QMainWindow, QApplication)
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import (QBarCategoryAxis, QBarSet, QChart, QChartView,
+                              QPercentBarSeries)
 
 class MainWindow(QMainWindow):
     def __init__(self):
         QMainWindow.__init__(self)
 
-        set0 = QtCharts.QBarSet("Jane")
-        set1 = QtCharts.QBarSet("John")
-        set2 = QtCharts.QBarSet("Axel")
-        set3 = QtCharts.QBarSet("Mary")
-        set4 = QtCharts.QBarSet("Samantha")
+        set0 = QBarSet("Jane")
+        set1 = QBarSet("John")
+        set2 = QBarSet("Axel")
+        set3 = QBarSet("Mary")
+        set4 = QBarSet("Samantha")
 
         set0.append([1, 2, 3,  4, 5, 6])
         set1.append([5, 0, 0,  4, 0, 7])
@@ -63,20 +64,20 @@ class MainWindow(QMainWindow):
         set3.append([5, 6, 7,  3, 4, 5])
         set4.append([9, 7, 5,  3, 1, 2])
 
-        series = QtCharts.QPercentBarSeries()
+        series = QPercentBarSeries()
         series.append(set0)
         series.append(set1)
         series.append(set2)
         series.append(set3)
         series.append(set4)
 
-        chart = QtCharts.QChart()
+        chart = QChart()
         chart.addSeries(series)
         chart.setTitle("Simple percentbarchart example")
-        chart.setAnimationOptions(QtCharts.QChart.SeriesAnimations)
+        chart.setAnimationOptions(QChart.SeriesAnimations)
 
         categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
-        axis = QtCharts.QBarCategoryAxis()
+        axis = QBarCategoryAxis()
         axis.append(categories)
         chart.createDefaultAxes()
         chart.setAxisX(axis, series)
@@ -84,7 +85,7 @@ class MainWindow(QMainWindow):
         chart.legend().setVisible(True)
         chart.legend().setAlignment(Qt.AlignBottom)
 
-        chart_view = QtCharts.QChartView(chart)
+        chart_view = QChartView(chart)
         chart_view.setRenderHint(QPainter.Antialiasing)
 
         self.setCentralWidget(chart_view)
diff --git a/examples/charts/piechart.py b/examples/charts/piechart.py
index e1131d96e..29947263d 100644
--- a/examples/charts/piechart.py
+++ b/examples/charts/piechart.py
@@ -1,6 +1,6 @@
 #############################################################################
 ##
-## Copyright (C) 2020 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -44,7 +44,7 @@ import sys
 from PySide6.QtCore import Qt
 from PySide6.QtGui import QPainter, QPen
 from PySide6.QtWidgets import QMainWindow, QApplication
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import QChart, QChartView, QPieSeries
 
 
 class TestChart(QMainWindow):
@@ -52,7 +52,7 @@ class TestChart(QMainWindow):
     def __init__(self):
         QMainWindow.__init__(self)
 
-        self.series = QtCharts.QPieSeries()
+        self.series = QPieSeries()
 
         self.series.append('Jane', 1)
         self.series.append('Joe', 2)
@@ -66,12 +66,12 @@ class TestChart(QMainWindow):
         self.slice.setPen(QPen(Qt.darkGreen, 2))
         self.slice.setBrush(Qt.green)
 
-        self.chart = QtCharts.QChart()
+        self.chart = QChart()
         self.chart.addSeries(self.series)
         self.chart.setTitle('Simple piechart example')
         self.chart.legend().hide()
 
-        self.chartView = QtCharts.QChartView(self.chart)
+        self.chartView = QChartView(self.chart)
         self.chartView.setRenderHint(QPainter.Antialiasing)
 
         self.setCentralWidget(self.chartView)
diff --git a/examples/charts/temperaturerecords.py b/examples/charts/temperaturerecords.py
index 9c2cad1df..3a8a86f42 100644
--- a/examples/charts/temperaturerecords.py
+++ b/examples/charts/temperaturerecords.py
@@ -1,6 +1,6 @@
 #############################################################################
 ##
-## Copyright (C) 2020 The Qt Company Ltd.
+## Copyright (C) 2021 The Qt Company Ltd.
 ## Contact: http://www.qt.io/licensing/
 ##
 ## This file is part of the Qt for Python examples of the Qt Toolkit.
@@ -44,35 +44,36 @@ import sys
 from PySide6.QtCore import Qt
 from PySide6.QtGui import QPainter
 from PySide6.QtWidgets import QMainWindow, QApplication
-from PySide6.QtCharts import QtCharts
+from PySide6.QtCharts import (QBarCategoryAxis, QBarSet, QChart, QChartView,
+                              QStackedBarSeries, QValueAxis)
 
 
 class MainWindow(QMainWindow):
     def __init__(self):
         QMainWindow.__init__(self)
-        low = QtCharts.QBarSet("Min")
-        high = QtCharts.QBarSet("Max")
+        low = QBarSet("Min")
+        high = QBarSet("Max")
         low.append([-52, -50, -45.3, -37.0, -25.6, -8.0,
                     -6.0, -11.8, -19.7, -32.8, -43.0, -48.0])
         high.append([11.9, 12.8, 18.5, 26.5, 32.0, 34.8,
                      38.2, 34.8, 29.8, 20.4, 15.1, 11.8])
 
-        series = QtCharts.QStackedBarSeries()
+        series = QStackedBarSeries()
         series.append(low)
         series.append(high)
 
-        chart = QtCharts.QChart()
+        chart = QChart()
         chart.addSeries(series)
         chart.setTitle("Temperature records in celcius")
-        chart.setAnimationOptions(QtCharts.QChart.SeriesAnimations)
+        chart.setAnimationOptions(QChart.SeriesAnimations)
 
         categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
                       "Aug", "Sep", "Oct", "Nov", "Dec"]
-        axisX = QtCharts.QBarCategoryAxis()
+        axisX = QBarCategoryAxis()
         axisX.append(categories)
         axisX.setTitleText("Month")
         chart.addAxis(axisX, Qt.AlignBottom)
-        axisY = QtCharts.QValueAxis()
+        axisY = QValueAxis()
         axisY.setRange(-52, 52)
         axisY.setTitleText("Temperature [°C]")
         chart.addAxis(axisY, Qt.AlignLeft)
@@ -82,7 +83,7 @@ class MainWindow(QMainWindow):
         chart.legend().setVisible(True)
         chart.legend().setAlignment(Qt.AlignBottom)
 
-        chart_view = QtCharts.QChartView(chart)
+        chart_view = QChartView(chart)
         chart_view.setRenderHint(QPainter.Antialiasing)
 
         self.setCentralWidget(chart_view)