/usr/lib/python2.7/dist-packages/paste/webkit/FakeWebware/MiscUtils/MixIn.py is in python-pastewebkit 1.0-7build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/paste/webkit/FakeWebware/MiscUtils/../../../../../../../share/pyshared/paste/webkit/FakeWebware/MiscUtils/MixIn.py