/usr/lib/python3/ is in menulibre 2.2.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/menulibre/
/usr/lib/python3/dist-packages/menulibre/Dialogs.py
/usr/lib/python3/dist-packages/menulibre/MenuEditor.py
/usr/lib/python3/dist-packages/menulibre/MenulibreApplication.py
/usr/lib/python3/dist-packages/menulibre/MenulibreHistory.py
/usr/lib/python3/dist-packages/menulibre/MenulibreIconSelection.py
/usr/lib/python3/dist-packages/menulibre/MenulibreLog.py
/usr/lib/python3/dist-packages/menulibre/MenulibreStackSwitcher.py
/usr/lib/python3/dist-packages/menulibre/MenulibreTreeview.py
/usr/lib/python3/dist-packages/menulibre/MenulibreXdg.py
/usr/lib/python3/dist-packages/menulibre/XmlMenuElementTree.py
/usr/lib/python3/dist-packages/menulibre/__init__.py
/usr/lib/python3/dist-packages/menulibre/util.py
/usr/lib/python3/dist-packages/menulibre-2.2.0.egg-info
/usr/lib/python3/dist-packages/menulibre_lib/
/usr/lib/python3/dist-packages/menulibre_lib/__init__.py
/usr/lib/python3/dist-packages/menulibre_lib/helpers.py
/usr/lib/python3/dist-packages/menulibre_lib/menulibreconfig.py