/usr/lib/python3/dist-packages/pyqtgraph/flowchart/ is in python3-pyqtgraph 0.9.8-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/Flowchart.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/FlowchartCtrlTemplate_pyqt.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/FlowchartCtrlTemplate_pyside.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/FlowchartGraphicsView.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/FlowchartTemplate_pyqt.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/FlowchartTemplate_pyside.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/Node.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/Terminal.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/__init__.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/eq.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/library/
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/library/Data.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/library/Display.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/library/Filters.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/library/Operators.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/library/__init__.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/library/common.py
/usr/lib/python3/dist-packages/pyqtgraph/flowchart/library/functions.py