/usr/lib/python2.7/multiprocessing/ is in libpython2.7-stdlib 2.7.15~rc1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/multiprocessing/__init__.py
/usr/lib/python2.7/multiprocessing/connection.py
/usr/lib/python2.7/multiprocessing/dummy/
/usr/lib/python2.7/multiprocessing/dummy/__init__.py
/usr/lib/python2.7/multiprocessing/dummy/connection.py
/usr/lib/python2.7/multiprocessing/forking.py
/usr/lib/python2.7/multiprocessing/heap.py
/usr/lib/python2.7/multiprocessing/managers.py
/usr/lib/python2.7/multiprocessing/pool.py
/usr/lib/python2.7/multiprocessing/process.py
/usr/lib/python2.7/multiprocessing/queues.py
/usr/lib/python2.7/multiprocessing/reduction.py
/usr/lib/python2.7/multiprocessing/sharedctypes.py
/usr/lib/python2.7/multiprocessing/synchronize.py
/usr/lib/python2.7/multiprocessing/util.py