/usr/lib/python2.7/dist-packages/statsmodels/robust/ is in python-statsmodels 0.6.1-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/statsmodels/robust/__init__.py
/usr/lib/python2.7/dist-packages/statsmodels/robust/norms.py
/usr/lib/python2.7/dist-packages/statsmodels/robust/robust_linear_model.py
/usr/lib/python2.7/dist-packages/statsmodels/robust/scale.py
/usr/lib/python2.7/dist-packages/statsmodels/robust/tests/
/usr/lib/python2.7/dist-packages/statsmodels/robust/tests/__init__.py
/usr/lib/python2.7/dist-packages/statsmodels/robust/tests/results/
/usr/lib/python2.7/dist-packages/statsmodels/robust/tests/results/__init__.py
/usr/lib/python2.7/dist-packages/statsmodels/robust/tests/results/results_rlm.py
/usr/lib/python2.7/dist-packages/statsmodels/robust/tests/test_rlm.py
/usr/lib/python2.7/dist-packages/statsmodels/robust/tests/test_scale.py