/usr/lib/python2.7/dist-packages/pyasn1/type/tag.py is in python-pyasn1 0.1.7-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/pyasn1/type/../../../../../share/pyshared/pyasn1/type/tag.py