/usr/lib/ is in python-nbformat 4.4.0-1.
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/nbformat/
/usr/lib/python2.7/dist-packages/nbformat/__init__.py
/usr/lib/python2.7/dist-packages/nbformat/_version.py
/usr/lib/python2.7/dist-packages/nbformat/converter.py
/usr/lib/python2.7/dist-packages/nbformat/current.py
/usr/lib/python2.7/dist-packages/nbformat/notebooknode.py
/usr/lib/python2.7/dist-packages/nbformat/reader.py
/usr/lib/python2.7/dist-packages/nbformat/sentinel.py
/usr/lib/python2.7/dist-packages/nbformat/sign.py
/usr/lib/python2.7/dist-packages/nbformat/v1/
/usr/lib/python2.7/dist-packages/nbformat/v1/__init__.py
/usr/lib/python2.7/dist-packages/nbformat/v1/convert.py
/usr/lib/python2.7/dist-packages/nbformat/v1/nbbase.py
/usr/lib/python2.7/dist-packages/nbformat/v1/nbjson.py
/usr/lib/python2.7/dist-packages/nbformat/v1/rwbase.py
/usr/lib/python2.7/dist-packages/nbformat/v2/
/usr/lib/python2.7/dist-packages/nbformat/v2/__init__.py
/usr/lib/python2.7/dist-packages/nbformat/v2/convert.py
/usr/lib/python2.7/dist-packages/nbformat/v2/nbbase.py
/usr/lib/python2.7/dist-packages/nbformat/v2/nbjson.py
/usr/lib/python2.7/dist-packages/nbformat/v2/nbpy.py
/usr/lib/python2.7/dist-packages/nbformat/v2/nbxml.py
/usr/lib/python2.7/dist-packages/nbformat/v2/rwbase.py
/usr/lib/python2.7/dist-packages/nbformat/v3/
/usr/lib/python2.7/dist-packages/nbformat/v3/__init__.py
/usr/lib/python2.7/dist-packages/nbformat/v3/convert.py
/usr/lib/python2.7/dist-packages/nbformat/v3/nbbase.py
/usr/lib/python2.7/dist-packages/nbformat/v3/nbformat.v3.schema.json
/usr/lib/python2.7/dist-packages/nbformat/v3/nbjson.py
/usr/lib/python2.7/dist-packages/nbformat/v3/nbpy.py
/usr/lib/python2.7/dist-packages/nbformat/v3/rwbase.py
/usr/lib/python2.7/dist-packages/nbformat/v4/
/usr/lib/python2.7/dist-packages/nbformat/v4/__init__.py
/usr/lib/python2.7/dist-packages/nbformat/v4/convert.py
/usr/lib/python2.7/dist-packages/nbformat/v4/nbbase.py
/usr/lib/python2.7/dist-packages/nbformat/v4/nbformat.v4.schema.json
/usr/lib/python2.7/dist-packages/nbformat/v4/nbjson.py
/usr/lib/python2.7/dist-packages/nbformat/v4/rwbase.py
/usr/lib/python2.7/dist-packages/nbformat/validator.py
/usr/lib/python2.7/dist-packages/nbformat-4.4.0.egg-info/
/usr/lib/python2.7/dist-packages/nbformat-4.4.0.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/nbformat-4.4.0.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/nbformat-4.4.0.egg-info/entry_points.txt
/usr/lib/python2.7/dist-packages/nbformat-4.4.0.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/nbformat-4.4.0.egg-info/top_level.txt