/usr/lib/python2.7/dist-packages/zope.app.principalannotation-3.7.1.egg-info/ is in python-zope.app.principalannotation 3.7.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/zope.app.principalannotation-3.7.1.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/zope.app.principalannotation-3.7.1.egg-info/SOURCES.txt
/usr/lib/python2.7/dist-packages/zope.app.principalannotation-3.7.1.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/zope.app.principalannotation-3.7.1.egg-info/namespace_packages.txt
/usr/lib/python2.7/dist-packages/zope.app.principalannotation-3.7.1.egg-info/not-zip-safe
/usr/lib/python2.7/dist-packages/zope.app.principalannotation-3.7.1.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/zope.app.principalannotation-3.7.1.egg-info/top_level.txt