/usr/lib/python2.7/dist-packages/PyKCS11/LowLevel.py is in python-pykcs11 1.2.3-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/PyKCS11/../../../../share/pyshared/PyKCS11/LowLevel.py