/usr/share/doc/python3.7/examples/pynche/ is in python3.7-examples 3.7.0~b3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/python3.7/examples/pynche/ChipViewer.py
/usr/share/doc/python3.7/examples/pynche/ColorDB.py
/usr/share/doc/python3.7/examples/pynche/DetailsViewer.py
/usr/share/doc/python3.7/examples/pynche/ListViewer.py
/usr/share/doc/python3.7/examples/pynche/Main.py
/usr/share/doc/python3.7/examples/pynche/PyncheWidget.py
/usr/share/doc/python3.7/examples/pynche/README.gz
/usr/share/doc/python3.7/examples/pynche/StripViewer.py
/usr/share/doc/python3.7/examples/pynche/Switchboard.py
/usr/share/doc/python3.7/examples/pynche/TextViewer.py
/usr/share/doc/python3.7/examples/pynche/TypeinViewer.py
/usr/share/doc/python3.7/examples/pynche/X/
/usr/share/doc/python3.7/examples/pynche/X/rgb.txt
/usr/share/doc/python3.7/examples/pynche/X/xlicense.txt
/usr/share/doc/python3.7/examples/pynche/__init__.py
/usr/share/doc/python3.7/examples/pynche/html40colors.txt
/usr/share/doc/python3.7/examples/pynche/namedcolors.txt
/usr/share/doc/python3.7/examples/pynche/pyColorChooser.py
/usr/share/doc/python3.7/examples/pynche/pynche
/usr/share/doc/python3.7/examples/pynche/pynche.pyw
/usr/share/doc/python3.7/examples/pynche/webcolors.txt
/usr/share/doc/python3.7/examples/pynche/websafe.txt