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diff --git a/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/table_model.py b/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/table_model.py
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--- a/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/table_model.py
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-#############################################################################
-##
-## Copyright (C) 2019 The Qt Company Ltd.
-## Contact: http://www.qt.io/licensing/
-##
-## This file is part of the Qt for Python examples of the Qt Toolkit.
-##
-## $QT_BEGIN_LICENSE:BSD$
-## You may use this file under the terms of the BSD license as follows:
-##
-## "Redistribution and use in source and binary forms, with or without
-## modification, are permitted provided that the following conditions are
-## met:
-## * Redistributions of source code must retain the above copyright
-## notice, this list of conditions and the following disclaimer.
-## * Redistributions in binary form must reproduce the above copyright
-## notice, this list of conditions and the following disclaimer in
-## the documentation and/or other materials provided with the
-## distribution.
-## * Neither the name of The Qt Company Ltd nor the names of its
-## contributors may be used to endorse or promote products derived
-## from this software without specific prior written permission.
-##
-##
-## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-##
-## $QT_END_LICENSE$
-##
-#############################################################################
-
-from PySide2.QtCore import Qt, QAbstractTableModel, QModelIndex
-from PySide2.QtGui import QColor
-
-
-class CustomTableModel(QAbstractTableModel):
- def __init__(self, data=None):
- QAbstractTableModel.__init__(self)
- self.load_data(data)
-
- def load_data(self, data):
- self.input_dates = data[0].values
- self.input_magnitudes = data[1].values
-
- self.column_count = 2
- self.row_count = len(self.input_magnitudes)
-
- def rowCount(self, parent=QModelIndex()):
- return self.row_count
-
- def columnCount(self, parent=QModelIndex()):
- return self.column_count
-
- def headerData(self, section, orientation, role):
- if role != Qt.DisplayRole:
- return None
- if orientation == Qt.Horizontal:
- return ("Date", "Magnitude")[section]
- else:
- return "{}".format(section)
-
- def data(self, index, role=Qt.DisplayRole):
- column = index.column()
- row = index.row()
-
- if role == Qt.DisplayRole:
- if column == 0:
- raw_date = self.input_dates[row]
- date = "{}".format(raw_date.toPython())
- return date[:-3]
- elif column == 1:
- return "{:.2f}".format(self.input_magnitudes[row])
- elif role == Qt.BackgroundRole:
- return QColor(Qt.white)
- elif role == Qt.TextAlignmentRole:
- return Qt.AlignRight
-
- return None
-