/usr/lib/python2.7/dist-packages/pyface/tree/ is in python-pyface 4.1.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/pyface/tree/__init__.py
/usr/lib/python2.7/dist-packages/pyface/tree/api.py
/usr/lib/python2.7/dist-packages/pyface/tree/images/
/usr/lib/python2.7/dist-packages/pyface/tree/images/closed_folder.png
/usr/lib/python2.7/dist-packages/pyface/tree/images/document.png
/usr/lib/python2.7/dist-packages/pyface/tree/images/open_folder.png
/usr/lib/python2.7/dist-packages/pyface/tree/node_event.py
/usr/lib/python2.7/dist-packages/pyface/tree/node_manager.py
/usr/lib/python2.7/dist-packages/pyface/tree/node_monitor.py
/usr/lib/python2.7/dist-packages/pyface/tree/node_tree.py
/usr/lib/python2.7/dist-packages/pyface/tree/node_tree_model.py
/usr/lib/python2.7/dist-packages/pyface/tree/node_type.py
/usr/lib/python2.7/dist-packages/pyface/tree/trait_dict_node_type.py
/usr/lib/python2.7/dist-packages/pyface/tree/trait_list_node_type.py
/usr/lib/python2.7/dist-packages/pyface/tree/tree.py
/usr/lib/python2.7/dist-packages/pyface/tree/tree_model.py