/usr/lib/ is in python-weberror 0.13.1+dfsg-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/weberror/
/usr/lib/python2.7/dist-packages/weberror/collector.py
/usr/lib/python2.7/dist-packages/weberror/errormiddleware.py
/usr/lib/python2.7/dist-packages/weberror/pdbcapture.py
/usr/lib/python2.7/dist-packages/weberror/__init__.py
/usr/lib/python2.7/dist-packages/weberror/util/
/usr/lib/python2.7/dist-packages/weberror/util/escaping.py
/usr/lib/python2.7/dist-packages/weberror/util/__init__.py
/usr/lib/python2.7/dist-packages/weberror/util/errorapp.py
/usr/lib/python2.7/dist-packages/weberror/util/security.py
/usr/lib/python2.7/dist-packages/weberror/util/serial_number_generator.py
/usr/lib/python2.7/dist-packages/weberror/util/source_encoding.py
/usr/lib/python2.7/dist-packages/weberror/reporter.py
/usr/lib/python2.7/dist-packages/weberror/pdbcapture_response.html
/usr/lib/python2.7/dist-packages/weberror/eval-media/
/usr/lib/python2.7/dist-packages/weberror/eval-media/debug.js
/usr/lib/python2.7/dist-packages/weberror/eval-media/jquery.scrollTo.js
/usr/lib/python2.7/dist-packages/weberror/eval-media/plus.jpg
/usr/lib/python2.7/dist-packages/weberror/eval-media/traceback.css
/usr/lib/python2.7/dist-packages/weberror/eval-media/minus.jpg
/usr/lib/python2.7/dist-packages/weberror/formatter.py
/usr/lib/python2.7/dist-packages/weberror/exceptions/
/usr/lib/python2.7/dist-packages/weberror/exceptions/errormiddleware.py
/usr/lib/python2.7/dist-packages/weberror/exceptions/__init__.py
/usr/lib/python2.7/dist-packages/weberror/evalcontext.py
/usr/lib/python2.7/dist-packages/weberror/eval_template.html
/usr/lib/python2.7/dist-packages/weberror/evalexception.py
/usr/lib/python2.7/dist-packages/WebError-0.13.1.egg-info/
/usr/lib/python2.7/dist-packages/WebError-0.13.1.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/WebError-0.13.1.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/WebError-0.13.1.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/WebError-0.13.1.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/WebError-0.13.1.egg-info/entry_points.txt
/usr/lib/python2.7/dist-packages/WebError-0.13.1.egg-info/not-zip-safe