/usr/lib/python2.7/dist-packages/celery/worker/ is in python-celery 3.1.23-7.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/celery/worker/__init__.py
/usr/lib/python2.7/dist-packages/celery/worker/autoreload.py
/usr/lib/python2.7/dist-packages/celery/worker/autoscale.py
/usr/lib/python2.7/dist-packages/celery/worker/components.py
/usr/lib/python2.7/dist-packages/celery/worker/consumer.py
/usr/lib/python2.7/dist-packages/celery/worker/control.py
/usr/lib/python2.7/dist-packages/celery/worker/heartbeat.py
/usr/lib/python2.7/dist-packages/celery/worker/job.py
/usr/lib/python2.7/dist-packages/celery/worker/loops.py
/usr/lib/python2.7/dist-packages/celery/worker/pidbox.py
/usr/lib/python2.7/dist-packages/celery/worker/state.py
/usr/lib/python2.7/dist-packages/celery/worker/strategy.py