/usr/lib/python2.7/ is in catkin 0.7.4-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/catkin/
/usr/lib/python2.7/dist-packages/catkin/__init__.py
/usr/lib/python2.7/dist-packages/catkin/builder.py
/usr/lib/python2.7/dist-packages/catkin/cmake.py
/usr/lib/python2.7/dist-packages/catkin/environment_cache.py
/usr/lib/python2.7/dist-packages/catkin/find_in_workspaces.py
/usr/lib/python2.7/dist-packages/catkin/init_workspace.py
/usr/lib/python2.7/dist-packages/catkin/package_version.py
/usr/lib/python2.7/dist-packages/catkin/terminal_color.py
/usr/lib/python2.7/dist-packages/catkin/test_results.py
/usr/lib/python2.7/dist-packages/catkin/tidy_xml.py
/usr/lib/python2.7/dist-packages/catkin/workspace.py
/usr/lib/python2.7/dist-packages/catkin/workspace_vcs.py