/usr/lib/python2.7/dist-packages/statsmodels/distributions/ is in python-statsmodels 0.8.0-6.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/statsmodels/distributions/__init__.py
/usr/lib/python2.7/dist-packages/statsmodels/distributions/edgeworth.py
/usr/lib/python2.7/dist-packages/statsmodels/distributions/empirical_distribution.py
/usr/lib/python2.7/dist-packages/statsmodels/distributions/mixture_rvs.py
/usr/lib/python2.7/dist-packages/statsmodels/distributions/tests/
/usr/lib/python2.7/dist-packages/statsmodels/distributions/tests/__init__.py
/usr/lib/python2.7/dist-packages/statsmodels/distributions/tests/test_ecdf.py
/usr/lib/python2.7/dist-packages/statsmodels/distributions/tests/test_edgeworth.py
/usr/lib/python2.7/dist-packages/statsmodels/distributions/tests/test_mixture.py