/usr/lib/ is in python-liblarch 2.1.0-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/liblarch-2.1.0.egg-info
/usr/lib/python2.7/dist-packages/liblarch/
/usr/lib/python2.7/dist-packages/liblarch/filteredtree.py
/usr/lib/python2.7/dist-packages/liblarch/treenode.py
/usr/lib/python2.7/dist-packages/liblarch/processqueue.py
/usr/lib/python2.7/dist-packages/liblarch/tree.py
/usr/lib/python2.7/dist-packages/liblarch/viewcount.py
/usr/lib/python2.7/dist-packages/liblarch/viewtree.py
/usr/lib/python2.7/dist-packages/liblarch/__init__.py
/usr/lib/python2.7/dist-packages/liblarch/filters_bank.py
/usr/lib/python2.7/dist-packages/liblarch_gtk/
/usr/lib/python2.7/dist-packages/liblarch_gtk/treemodel.py
/usr/lib/python2.7/dist-packages/liblarch_gtk/__init__.py