/usr/lib/python2.7/dist-packages/hamcrest/library/object/hasstring.py is in python-hamcrest 1.8.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/hamcrest/library/object/../../../../../../share/pyshared/hamcrest/library/object/hasstring.py