/usr/lib/python2.7/dist-packages/zope.app.debug-3.4.1.egg-info/dependency_links.txt is in python-zope.app.debug 3.4.1-2ubuntu4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/zope.app.debug-3.4.1.egg-info/../../../../share/pyshared/zope.app.debug-3.4.1.egg-info/dependency_links.txt