/usr/lib/python2.6/dist-packages/Twisted_Web-12.0.0.egg-info is in python-twisted-web 12.0.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/../../../share/pyshared/Twisted_Web-12.0.0.egg-info