/usr/lib/python2.7/dist-packages/tox/ is in python-tox 1.6.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/tox-1.6.0.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/tox-1.6.0.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/tox-1.6.0.egg-info/entry_points.txt
/usr/lib/python2.7/dist-packages/tox-1.6.0.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/tox-1.6.0.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/tox-1.6.0.egg-info/zip-safe
/usr/lib/python2.7/dist-packages/tox/__init__.py
/usr/lib/python2.7/dist-packages/tox/_cmdline.py
/usr/lib/python2.7/dist-packages/tox/_config.py
/usr/lib/python2.7/dist-packages/tox/_exception.py
/usr/lib/python2.7/dist-packages/tox/_pytestplugin.py
/usr/lib/python2.7/dist-packages/tox/_quickstart.py
/usr/lib/python2.7/dist-packages/tox/_venv.py
/usr/lib/python2.7/dist-packages/tox/_verlib.py
/usr/lib/python2.7/dist-packages/tox/interpreters.py
/usr/lib/python2.7/dist-packages/tox/result.py
/usr/lib/python2.7/dist-packages/tox/vendor/
/usr/lib/python2.7/dist-packages/tox/vendor/__init__.py
/usr/lib/python2.7/dist-packages/tox/vendor/virtualenv.py