/usr/ is in python-zope.intid 3.7.2-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/pyshared/
/usr/share/pyshared/zope/
/usr/share/pyshared/zope/intid/
/usr/share/pyshared/zope/intid/configure.zcml
/usr/share/pyshared/zope/intid/tests.py
/usr/share/pyshared/zope/intid/__init__.py
/usr/share/pyshared/zope/intid/interfaces.py
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/usr/share/pyshared/zope.intid-3.7.2.egg-info/
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/usr/share/pyshared/zope.intid-3.7.2.egg-info/not-zip-safe
/usr/share/pyshared/zope.intid-3.7.2.egg-info/dependency_links.txt
/usr/share/pyshared/zope.intid-3.7.2.egg-info/requires.txt
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/usr/share/pyshared/zope.intid-3.7.2.egg-info/PKG-INFO
/usr/share/pyshared/zope.intid-3.7.2.egg-info/SOURCES.txt
/usr/share/doc/
/usr/share/doc/python-zope.intid/
/usr/share/doc/python-zope.intid/copyright
/usr/share/doc/python-zope.intid/changelog.Debian.gz
/usr/share/python/
/usr/share/python/ns/
/usr/share/python/ns/python-zope.intid
/usr/lib/
/usr/lib/python2.7/
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/usr/lib/python2.7/dist-packages/zope/
/usr/lib/python2.7/dist-packages/zope/intid/
/usr/lib/python2.7/dist-packages/zope.intid-3.7.2.egg-info/
/usr/lib/python2.7/dist-packages/zope/intid/configure.zcml
/usr/lib/python2.7/dist-packages/zope/intid/tests.py
/usr/lib/python2.7/dist-packages/zope/intid/__init__.py
/usr/lib/python2.7/dist-packages/zope/intid/interfaces.py
/usr/lib/python2.7/dist-packages/zope/intid/subscribers.zcml
/usr/lib/python2.7/dist-packages/zope.intid-3.7.2-nspkg.pth
/usr/lib/python2.7/dist-packages/zope.intid-3.7.2.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/zope.intid-3.7.2.egg-info/not-zip-safe
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/usr/lib/python2.7/dist-packages/zope.intid-3.7.2.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/zope.intid-3.7.2.egg-info/namespace_packages.txt
/usr/lib/python2.7/dist-packages/zope.intid-3.7.2.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/zope.intid-3.7.2.egg-info/SOURCES.txt