/usr/lib/python2.7/dist-packages/zope/configuration/tests/excludedemo/sub/configure.zcml is in python-zope.configuration 3.7.4-2fakesync1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/zope/configuration/tests/excludedemo/sub/../../../../../../../../share/pyshared/zope/configuration/tests/excludedemo/sub/configure.zcml