/usr/lib/python2.7/dist-packages/insanity/storage/storage.py is in python-insanity 0.0+git20110920.4750a8e8-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/insanity/storage/../../../../../share/pyshared/insanity/storage/storage.py