/usr/lib/python2.7/dist-packages/txaws/server/tests/fixtures/__init__.py is in python-txaws 0.2.3-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/txaws/server/tests/fixtures/../../../../../../../share/pyshared/txaws/server/tests/fixtures/__init__.py