/usr/lib/python2.7/dist-packages/foolscap/slicers/ is in python-foolscap 0.6.5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/foolscap/slicers/__init__.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/allslicers.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/bool.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/decimal_slicer.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/dict.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/list.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/none.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/root.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/set.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/tuple.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/unicode.py
/usr/lib/python2.7/dist-packages/foolscap/slicers/vocab.py