/usr/ is in python3-pytools 2016.2.6-1.
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/usr/lib/
/usr/lib/python3/
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/pytools/
/usr/lib/python3/dist-packages/pytools/__init__.py
/usr/lib/python3/dist-packages/pytools/arithmetic_container.py
/usr/lib/python3/dist-packages/pytools/batchjob.py
/usr/lib/python3/dist-packages/pytools/convergence.py
/usr/lib/python3/dist-packages/pytools/datatable.py
/usr/lib/python3/dist-packages/pytools/debug.py
/usr/lib/python3/dist-packages/pytools/diskdict.py
/usr/lib/python3/dist-packages/pytools/lex.py
/usr/lib/python3/dist-packages/pytools/mpi.py
/usr/lib/python3/dist-packages/pytools/mpiwrap.py
/usr/lib/python3/dist-packages/pytools/obj_array.py
/usr/lib/python3/dist-packages/pytools/persistent_dict.py
/usr/lib/python3/dist-packages/pytools/prefork.py
/usr/lib/python3/dist-packages/pytools/py_codegen.py
/usr/lib/python3/dist-packages/pytools/spatial_btree.py
/usr/lib/python3/dist-packages/pytools/stopwatch.py
/usr/lib/python3/dist-packages/pytools/test.py
/usr/lib/python3/dist-packages/pytools-2016.2.6.egg-info/
/usr/lib/python3/dist-packages/pytools-2016.2.6.egg-info/PKG-INFO
/usr/lib/python3/dist-packages/pytools-2016.2.6.egg-info/dependency_links.txt
/usr/lib/python3/dist-packages/pytools-2016.2.6.egg-info/requires.txt
/usr/lib/python3/dist-packages/pytools-2016.2.6.egg-info/top_level.txt
/usr/share/
/usr/share/doc/
/usr/share/doc/python3-pytools/
/usr/share/doc/python3-pytools/changelog.Debian.gz
/usr/share/doc/python3-pytools/copyright