/usr/lib/python2.7/dist-packages/martian/tests/stoneage/painting/__init__.py is in python-martian 0.14-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/martian/tests/stoneage/painting/../../../../../../../share/pyshared/martian/tests/stoneage/painting/__init__.py