/usr/lib/python2.7/dist-packages/schooltool/intervention/browser/ftests/ is in python-schooltool.intervention 2.7.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/schooltool/intervention/browser/ftests/README.txt
/usr/lib/python2.7/dist-packages/schooltool/intervention/browser/ftests/__init__.py
/usr/lib/python2.7/dist-packages/schooltool/intervention/browser/ftests/ftests.py
/usr/lib/python2.7/dist-packages/schooltool/intervention/browser/ftests/independent_activities.txt
/usr/lib/python2.7/dist-packages/schooltool/intervention/browser/ftests/intervention_dashboard.txt
/usr/lib/python2.7/dist-packages/schooltool/intervention/browser/ftests/no_current_term.txt
/usr/lib/python2.7/dist-packages/schooltool/intervention/browser/ftests/removal_subscribers.txt
/usr/lib/python2.7/dist-packages/schooltool/intervention/browser/ftests/security.txt