/usr/lib/python2.7/dist-packages/sklearn/ensemble/ is in python-sklearn 0.14.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/sklearn/ensemble/__init__.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/base.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/forest.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/gradient_boosting.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/partial_dependence.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/setup.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/tests/
/usr/lib/python2.7/dist-packages/sklearn/ensemble/tests/__init__.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/tests/test_base.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/tests/test_forest.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/tests/test_gradient_boosting.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/tests/test_gradient_boosting_loss_functions.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/tests/test_partial_dependence.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/tests/test_weight_boosting.py
/usr/lib/python2.7/dist-packages/sklearn/ensemble/weight_boosting.py