/usr/lib/python2.7/dist-packages/pygments/filters/__init__.py is in python-pygments 1.4+dfsg-2ubuntu0.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/pygments/filters/../../../../../share/pyshared/pygments/filters/__init__.py