/usr/lib/python2.7/ is in python-pyptlib 0.0.5-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/pyptlib/
/usr/lib/python2.7/dist-packages/pyptlib/util/
/usr/lib/python2.7/dist-packages/pyptlib-0.0.5.egg-info/
/usr/lib/python2.7/dist-packages/pyptlib/server_config.py
/usr/lib/python2.7/dist-packages/pyptlib/server.py
/usr/lib/python2.7/dist-packages/pyptlib/util/subproc.py
/usr/lib/python2.7/dist-packages/pyptlib/util/__init__.py
/usr/lib/python2.7/dist-packages/pyptlib/client.py
/usr/lib/python2.7/dist-packages/pyptlib/config.py
/usr/lib/python2.7/dist-packages/pyptlib/client_config.py
/usr/lib/python2.7/dist-packages/pyptlib/__init__.py
/usr/lib/python2.7/dist-packages/pyptlib/core.py
/usr/lib/python2.7/dist-packages/pyptlib-0.0.5.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/pyptlib-0.0.5.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/pyptlib-0.0.5.egg-info/SOURCES.txt
/usr/lib/python2.7/dist-packages/pyptlib-0.0.5.egg-info/PKG-INFO