/usr/ is in python-zope.untrustedpython 4.0.0-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/zope/
/usr/lib/python2.7/dist-packages/zope/untrustedpython/
/usr/lib/python2.7/dist-packages/zope/untrustedpython/rcompile.py
/usr/lib/python2.7/dist-packages/zope/untrustedpython/__init__.py
/usr/lib/python2.7/dist-packages/zope/untrustedpython/builtins.py
/usr/lib/python2.7/dist-packages/zope/untrustedpython/tests.py
/usr/lib/python2.7/dist-packages/zope/untrustedpython/interpreter.py
/usr/lib/python2.7/dist-packages/zope.untrustedpython-4.0.0.egg-info/
/usr/lib/python2.7/dist-packages/zope.untrustedpython-4.0.0.egg-info/zip-safe
/usr/lib/python2.7/dist-packages/zope.untrustedpython-4.0.0.egg-info/namespace_packages.txt
/usr/lib/python2.7/dist-packages/zope.untrustedpython-4.0.0.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/zope.untrustedpython-4.0.0.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/zope.untrustedpython-4.0.0.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/zope.untrustedpython-4.0.0.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/zope.untrustedpython-4.0.0-nspkg.pth
/usr/share/
/usr/share/python/
/usr/share/python/ns/
/usr/share/python/ns/python-zope.untrustedpython
/usr/share/doc/
/usr/share/doc/python-zope.untrustedpython/
/usr/share/doc/python-zope.untrustedpython/copyright
/usr/share/doc/python-zope.untrustedpython/changelog.Debian.gz