/usr/lib/python3/ is in python3-xstatic-angular-mock 1.2.23.1-6.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/xstatic/
/usr/lib/python3/dist-packages/xstatic/pkg/
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/XStatic_Angular_Mock-1.2.23.1.egg-info/
/usr/lib/python3/dist-packages/XStatic_Angular_Mock-1.2.23.1.egg-info/PKG-INFO
/usr/lib/python3/dist-packages/XStatic_Angular_Mock-1.2.23.1.egg-info/dependency_links.txt
/usr/lib/python3/dist-packages/XStatic_Angular_Mock-1.2.23.1.egg-info/namespace_packages.txt
/usr/lib/python3/dist-packages/XStatic_Angular_Mock-1.2.23.1.egg-info/not-zip-safe
/usr/lib/python3/dist-packages/XStatic_Angular_Mock-1.2.23.1.egg-info/top_level.txt
/usr/lib/python3/dist-packages/xstatic/pkg/angular_mock/
/usr/lib/python3/dist-packages/xstatic/pkg/angular_mock/__init__.py