/usr/lib/python2.7/dist-packages/ModestMaps/Providers.py is in python-modestmaps 1.3.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/ModestMaps/../../../../share/pyshared/ModestMaps/Providers.py