/usr/share/doc/python3-django-guardian/examples/example_project/posts/ is in python3-django-guardian 1.2.4+git20141127-0.2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/python3-django-guardian/examples/example_project/posts/__init__.py
/usr/share/doc/python3-django-guardian/examples/example_project/posts/admin.py
/usr/share/doc/python3-django-guardian/examples/example_project/posts/models.py
/usr/share/doc/python3-django-guardian/examples/example_project/posts/templates/
/usr/share/doc/python3-django-guardian/examples/example_project/posts/templates/posts/
/usr/share/doc/python3-django-guardian/examples/example_project/posts/templates/posts/post_detail.html
/usr/share/doc/python3-django-guardian/examples/example_project/posts/templates/posts/post_list.html
/usr/share/doc/python3-django-guardian/examples/example_project/posts/urls.py
/usr/share/doc/python3-django-guardian/examples/example_project/posts/views.py