/usr/lib/python2.7/dist-packages/glance/tests/unit/test_db.py is in python-glance 2012.1.3+stable~20120821-120fcf-0ubuntu1.5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/glance/tests/unit/../../../../../../share/pyshared/glance/tests/unit/test_db.py