/usr/lib/ is in python3-requests-oauthlib 0.4.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/requests_oauthlib-0.4.0.egg-info/
/usr/lib/python3/dist-packages/requests_oauthlib-0.4.0.egg-info/requires.txt
/usr/lib/python3/dist-packages/requests_oauthlib-0.4.0.egg-info/PKG-INFO
/usr/lib/python3/dist-packages/requests_oauthlib-0.4.0.egg-info/not-zip-safe
/usr/lib/python3/dist-packages/requests_oauthlib-0.4.0.egg-info/top_level.txt
/usr/lib/python3/dist-packages/requests_oauthlib-0.4.0.egg-info/dependency_links.txt
/usr/lib/python3/dist-packages/requests_oauthlib/
/usr/lib/python3/dist-packages/requests_oauthlib/utils.py
/usr/lib/python3/dist-packages/requests_oauthlib/__init__.py
/usr/lib/python3/dist-packages/requests_oauthlib/oauth2_auth.py
/usr/lib/python3/dist-packages/requests_oauthlib/oauth1_auth.py
/usr/lib/python3/dist-packages/requests_oauthlib/oauth2_session.py
/usr/lib/python3/dist-packages/requests_oauthlib/oauth1_session.py
/usr/lib/python3/dist-packages/requests_oauthlib/compliance_fixes/
/usr/lib/python3/dist-packages/requests_oauthlib/compliance_fixes/__init__.py
/usr/lib/python3/dist-packages/requests_oauthlib/compliance_fixes/facebook.py
/usr/lib/python3/dist-packages/requests_oauthlib/compliance_fixes/linkedin.py