/usr/lib/ is in python-dogpile.core 0.4.1+dfsg1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/dogpile.core-0.4.1-nspkg.pth
/usr/lib/python2.7/dist-packages/dogpile.core-0.4.1.egg-info/
/usr/lib/python2.7/dist-packages/dogpile.core-0.4.1.egg-info/SOURCES.txt
/usr/lib/python2.7/dist-packages/dogpile.core-0.4.1.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/dogpile.core-0.4.1.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/dogpile.core-0.4.1.egg-info/namespace_packages.txt
/usr/lib/python2.7/dist-packages/dogpile.core-0.4.1.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/dogpile.core-0.4.1.egg-info/not-zip-safe
/usr/lib/python2.7/dist-packages/dogpile/
/usr/lib/python2.7/dist-packages/dogpile/core/
/usr/lib/python2.7/dist-packages/dogpile/core/legacy.py
/usr/lib/python2.7/dist-packages/dogpile/core/__init__.py
/usr/lib/python2.7/dist-packages/dogpile/core/readwrite_lock.py
/usr/lib/python2.7/dist-packages/dogpile/core/nameregistry.py
/usr/lib/python2.7/dist-packages/dogpile/core/dogpile.py
/usr/lib/python2.7/dist-packages/dogpile/core/util.py