/usr/ is in python-z3c.ptcompat 1.0.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/pyshared/
/usr/share/pyshared/z3c.ptcompat-1.0.1.egg-info/
/usr/share/pyshared/z3c.ptcompat-1.0.1.egg-info/top_level.txt
/usr/share/pyshared/z3c.ptcompat-1.0.1.egg-info/not-zip-safe
/usr/share/pyshared/z3c.ptcompat-1.0.1.egg-info/dependency_links.txt
/usr/share/pyshared/z3c.ptcompat-1.0.1.egg-info/requires.txt
/usr/share/pyshared/z3c.ptcompat-1.0.1.egg-info/namespace_packages.txt
/usr/share/pyshared/z3c.ptcompat-1.0.1.egg-info/PKG-INFO
/usr/share/pyshared/z3c.ptcompat-1.0.1.egg-info/SOURCES.txt
/usr/share/pyshared/z3c/
/usr/share/pyshared/z3c/ptcompat/
/usr/share/pyshared/z3c/ptcompat/configure.zcml
/usr/share/pyshared/z3c/ptcompat/tests.py
/usr/share/pyshared/z3c/ptcompat/__init__.py
/usr/share/pyshared/z3c/ptcompat/engine.py
/usr/share/pyshared/z3c.ptcompat-1.0.1-nspkg.pth
/usr/share/doc/
/usr/share/doc/python-z3c.ptcompat/
/usr/share/doc/python-z3c.ptcompat/copyright
/usr/share/doc/python-z3c.ptcompat/changelog.Debian.gz
/usr/share/python/
/usr/share/python/ns/
/usr/share/python/ns/python-z3c.ptcompat
/usr/lib/
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/z3c.ptcompat-1.0.1.egg-info/
/usr/lib/python2.7/dist-packages/z3c/
/usr/lib/python2.7/dist-packages/z3c/ptcompat/
/usr/lib/python2.7/dist-packages/z3c.ptcompat-1.0.1.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/z3c.ptcompat-1.0.1.egg-info/not-zip-safe
/usr/lib/python2.7/dist-packages/z3c.ptcompat-1.0.1.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/z3c.ptcompat-1.0.1.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/z3c.ptcompat-1.0.1.egg-info/namespace_packages.txt
/usr/lib/python2.7/dist-packages/z3c.ptcompat-1.0.1.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/z3c.ptcompat-1.0.1.egg-info/SOURCES.txt
/usr/lib/python2.7/dist-packages/z3c/ptcompat/configure.zcml
/usr/lib/python2.7/dist-packages/z3c/ptcompat/tests.py
/usr/lib/python2.7/dist-packages/z3c/ptcompat/__init__.py
/usr/lib/python2.7/dist-packages/z3c/ptcompat/engine.py
/usr/lib/python2.7/dist-packages/z3c.ptcompat-1.0.1-nspkg.pth