/usr/lib/python3/ is in python3-emcee 2.1.0-5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/emcee/
/usr/lib/python3/dist-packages/emcee/tests.py
/usr/lib/python3/dist-packages/emcee/mh.py
/usr/lib/python3/dist-packages/emcee/ensemble.py
/usr/lib/python3/dist-packages/emcee/mpi_pool.py
/usr/lib/python3/dist-packages/emcee/sampler.py
/usr/lib/python3/dist-packages/emcee/ptsampler.py
/usr/lib/python3/dist-packages/emcee/__init__.py
/usr/lib/python3/dist-packages/emcee/interruptible_pool.py
/usr/lib/python3/dist-packages/emcee/autocorr.py
/usr/lib/python3/dist-packages/emcee/utils.py
/usr/lib/python3/dist-packages/emcee-2.1.0.egg-info