/usr/lib/python3/dist-packages/pyqtgraph/widgets/ is in python3-pyqtgraph 0.9.8-3.
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/usr/lib/python3/dist-packages/pyqtgraph/widgets/BusyCursor.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/CheckTable.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/ColorButton.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/ColorMapWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/ComboBox.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/DataFilterWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/DataTreeWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/FeedbackButton.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/FileDialog.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/GradientWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/GraphicsLayoutWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/GraphicsView.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/HistogramLUTWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/JoystickButton.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/LayoutWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/MatplotlibWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/MultiPlotWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/PathButton.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/PlotWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/ProgressDialog.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/RawImageWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/RemoteGraphicsView.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/ScatterPlotWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/SpinBox.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/TableWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/TreeWidget.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/ValueLabel.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/VerticalLabel.py
/usr/lib/python3/dist-packages/pyqtgraph/widgets/__init__.py