/usr/lib/ is in python-routes 1.12.3-1ubuntu1.
This file is owned by root:root, with mode 0o755.
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/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/routes/
/usr/lib/python2.7/dist-packages/Routes-1.12.3.egg-info/
/usr/lib/python2.7/dist-packages/routes/__init__.py
/usr/lib/python2.7/dist-packages/routes/base.py
/usr/lib/python2.7/dist-packages/routes/lru.py
/usr/lib/python2.7/dist-packages/routes/mapper.py
/usr/lib/python2.7/dist-packages/routes/middleware.py
/usr/lib/python2.7/dist-packages/routes/route.py
/usr/lib/python2.7/dist-packages/routes/util.py
/usr/lib/python2.7/dist-packages/Routes-1.12.3.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/Routes-1.12.3.egg-info/not-zip-safe
/usr/lib/python2.7/dist-packages/Routes-1.12.3.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/Routes-1.12.3.egg-info/SOURCES.txt
/usr/lib/python2.7/dist-packages/Routes-1.12.3.egg-info/top_level.txt