/usr/lib/python2.7/dist-packages/grokcore/component/tests/adapter/providerdecorator.py is in python-grokcore.component 2.5-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/grokcore/component/tests/adapter/../../../../../../../share/pyshared/grokcore/component/tests/adapter/providerdecorator.py