/usr/lib/python2.7/dist-packages/pmg_tk/ is in pymol 1.7.2.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/pmg_tk/ColorEditor.py
/usr/lib/python2.7/dist-packages/pmg_tk/Demo.py
/usr/lib/python2.7/dist-packages/pmg_tk/PMGApp.py
/usr/lib/python2.7/dist-packages/pmg_tk/PyMOLMapLoad.py
/usr/lib/python2.7/dist-packages/pmg_tk/SetEditor.py
/usr/lib/python2.7/dist-packages/pmg_tk/Setting.py
/usr/lib/python2.7/dist-packages/pmg_tk/TextEditor.py
/usr/lib/python2.7/dist-packages/pmg_tk/__init__.py
/usr/lib/python2.7/dist-packages/pmg_tk/skins/
/usr/lib/python2.7/dist-packages/pmg_tk/skins/__init__.py
/usr/lib/python2.7/dist-packages/pmg_tk/skins/demo/
/usr/lib/python2.7/dist-packages/pmg_tk/skins/demo/__init__.py
/usr/lib/python2.7/dist-packages/pmg_tk/skins/normal/
/usr/lib/python2.7/dist-packages/pmg_tk/skins/normal/ModalWindow.py
/usr/lib/python2.7/dist-packages/pmg_tk/skins/normal/__init__.py
/usr/lib/python2.7/dist-packages/pmg_tk/skins/normal/builder.py
/usr/lib/python2.7/dist-packages/pmg_tk/startup/
/usr/lib/python2.7/dist-packages/pmg_tk/startup/__init__.py
/usr/lib/python2.7/dist-packages/pmg_tk/startup/apbs_tools.py
/usr/lib/python2.7/dist-packages/pmg_tk/startup/remote_pdb_load.py
/usr/lib/python2.7/dist-packages/pmg_tk/volume.py