/usr/lib/python2.7/dist-packages/werkzeug/debug/__init__.py is in python-werkzeug 0.8.1+dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/werkzeug/debug/../../../../../share/pyshared/werkzeug/debug/__init__.py