/usr/ is in python-sphinxcontrib.rubydomain 0.1~dev-20100804-1.
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/sphinxcontrib/
/usr/lib/python2.7/dist-packages/sphinxcontrib/rubydomain.py
/usr/lib/python2.7/dist-packages/sphinxcontrib_rubydomain-0.1.dev20100804.egg-info/
/usr/lib/python2.7/dist-packages/sphinxcontrib_rubydomain-0.1.dev20100804.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/sphinxcontrib_rubydomain-0.1.dev20100804.egg-info/namespace_packages.txt
/usr/lib/python2.7/dist-packages/sphinxcontrib_rubydomain-0.1.dev20100804.egg-info/not-zip-safe
/usr/lib/python2.7/dist-packages/sphinxcontrib_rubydomain-0.1.dev20100804.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/sphinxcontrib_rubydomain-0.1.dev20100804.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/sphinxcontrib_rubydomain-0.1.dev20100804.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/sphinxcontrib_rubydomain-0.1.dev20100804-nspkg.pth
/usr/share/
/usr/share/doc/
/usr/share/doc/python-sphinxcontrib.rubydomain/
/usr/share/doc/python-sphinxcontrib.rubydomain/copyright
/usr/share/doc/python-sphinxcontrib.rubydomain/changelog.Debian.gz
/usr/share/python/
/usr/share/python/ns/
/usr/share/python/ns/python-sphinxcontrib.rubydomain