/usr/lib/ is in python3-pyftpdlib 1.5.1-4ubuntu1.
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/usr/lib/python3/
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/pyftpdlib/
/usr/lib/python3/dist-packages/pyftpdlib/__init__.py
/usr/lib/python3/dist-packages/pyftpdlib/__main__.py
/usr/lib/python3/dist-packages/pyftpdlib/_compat.py
/usr/lib/python3/dist-packages/pyftpdlib/authorizers.py
/usr/lib/python3/dist-packages/pyftpdlib/filesystems.py
/usr/lib/python3/dist-packages/pyftpdlib/handlers.py
/usr/lib/python3/dist-packages/pyftpdlib/ioloop.py
/usr/lib/python3/dist-packages/pyftpdlib/log.py
/usr/lib/python3/dist-packages/pyftpdlib/servers.py
/usr/lib/python3/dist-packages/pyftpdlib-1.5.1.egg-info/
/usr/lib/python3/dist-packages/pyftpdlib-1.5.1.egg-info/PKG-INFO
/usr/lib/python3/dist-packages/pyftpdlib-1.5.1.egg-info/dependency_links.txt
/usr/lib/python3/dist-packages/pyftpdlib-1.5.1.egg-info/requires.txt
/usr/lib/python3/dist-packages/pyftpdlib-1.5.1.egg-info/top_level.txt