/usr/lib/python2.6/dist-packages/zope/authentication/ is in python-zope.authentication 3.7.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.6/dist-packages/zope/authentication/__init__.py
/usr/lib/python2.6/dist-packages/zope/authentication/configure.zcml
/usr/lib/python2.6/dist-packages/zope/authentication/interfaces.py
/usr/lib/python2.6/dist-packages/zope/authentication/loginpassword.py
/usr/lib/python2.6/dist-packages/zope/authentication/logout.py
/usr/lib/python2.6/dist-packages/zope/authentication/logout.txt
/usr/lib/python2.6/dist-packages/zope/authentication/principal.py
/usr/lib/python2.6/dist-packages/zope/authentication/principalterms.txt
/usr/lib/python2.6/dist-packages/zope/authentication/tests/
/usr/lib/python2.6/dist-packages/zope/authentication/tests/__init__.py
/usr/lib/python2.6/dist-packages/zope/authentication/tests/test_loginpassword.py
/usr/lib/python2.6/dist-packages/zope/authentication/tests/test_logout.py
/usr/lib/python2.6/dist-packages/zope/authentication/tests/test_principal.py