/usr/lib/python2.7/dist-packages/hgext/git/__init__.py is in mercurial-git 0.4.0-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/hgext/git/../../../../../share/pyshared/hgext/git/__init__.py