/usr/lib/python2.7/dist-packages/ is in python-sagenb-export 3.2-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/sagenb_export/
/usr/lib/python2.7/dist-packages/sagenb_export/__init__.py
/usr/lib/python2.7/dist-packages/sagenb_export/actions.py
/usr/lib/python2.7/dist-packages/sagenb_export/cmdline.py
/usr/lib/python2.7/dist-packages/sagenb_export/defaults.py
/usr/lib/python2.7/dist-packages/sagenb_export/ipynb_writer.py
/usr/lib/python2.7/dist-packages/sagenb_export/logger.py
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/__init__.py
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/asset_handler.py
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/export_handler.py
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/jinja2_env.py
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/list_handler.html
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/list_handler.py
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/start_sagenb_handler.py
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/www/
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/www/run-sagenb.html
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/www/sagemath_icon.svg
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/www/sagenb-export.css
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/www/sagenb-export.js
/usr/lib/python2.7/dist-packages/sagenb_export/nbextension/www/start-sagenb.js
/usr/lib/python2.7/dist-packages/sagenb_export/sagenb_reader.py
/usr/lib/python2.7/dist-packages/sagenb_export/text_writer.py
/usr/lib/python2.7/dist-packages/sagenb_export/unescape.py
/usr/lib/python2.7/dist-packages/sagenb_export-3.2.egg-info/
/usr/lib/python2.7/dist-packages/sagenb_export-3.2.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/sagenb_export-3.2.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/sagenb_export-3.2.egg-info/entry_points.txt
/usr/lib/python2.7/dist-packages/sagenb_export-3.2.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/sagenb_export-3.2.egg-info/top_level.txt