/usr/lib/ is in python-concurrent.futures 3.0.5-3.
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/concurrent/
/usr/lib/python2.7/dist-packages/concurrent/__init__.py
/usr/lib/python2.7/dist-packages/concurrent/futures/
/usr/lib/python2.7/dist-packages/concurrent/futures/__init__.py
/usr/lib/python2.7/dist-packages/concurrent/futures/_base.py
/usr/lib/python2.7/dist-packages/concurrent/futures/process.py
/usr/lib/python2.7/dist-packages/concurrent/futures/thread.py
/usr/lib/python2.7/dist-packages/futures-3.0.5.egg-info/
/usr/lib/python2.7/dist-packages/futures-3.0.5.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/futures-3.0.5.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/futures-3.0.5.egg-info/not-zip-safe
/usr/lib/python2.7/dist-packages/futures-3.0.5.egg-info/top_level.txt