/usr/lib/ is in python-treetime 0.0+20170607-1.
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/treetime/
/usr/lib/python2.7/dist-packages/treetime/__init__.py
/usr/lib/python2.7/dist-packages/treetime/aa_models.py
/usr/lib/python2.7/dist-packages/treetime/branch_len_interpolator.py
/usr/lib/python2.7/dist-packages/treetime/clock_tree.py
/usr/lib/python2.7/dist-packages/treetime/config.py
/usr/lib/python2.7/dist-packages/treetime/distribution.py
/usr/lib/python2.7/dist-packages/treetime/gtr.py
/usr/lib/python2.7/dist-packages/treetime/io.py
/usr/lib/python2.7/dist-packages/treetime/merger_models.py
/usr/lib/python2.7/dist-packages/treetime/node_interpolator.py
/usr/lib/python2.7/dist-packages/treetime/nuc_models.py
/usr/lib/python2.7/dist-packages/treetime/seq_utils.py
/usr/lib/python2.7/dist-packages/treetime/treeanc.py
/usr/lib/python2.7/dist-packages/treetime/treetime.py
/usr/lib/python2.7/dist-packages/treetime/utils.py
/usr/lib/python2.7/dist-packages/treetime-0.1.1.egg-info/
/usr/lib/python2.7/dist-packages/treetime-0.1.1.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/treetime-0.1.1.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/treetime-0.1.1.egg-info/top_level.txt