/usr/lib/python2.7/dist-packages/sklearn/cluster/ is in python-sklearn 0.19.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/sklearn/cluster/__init__.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/_feature_agglomeration.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/affinity_propagation_.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/bicluster.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/birch.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/dbscan_.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/hierarchical.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/k_means_.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/mean_shift_.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/setup.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/spectral.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/__init__.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/common.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/test_affinity_propagation.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/test_bicluster.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/test_birch.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/test_dbscan.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/test_hierarchical.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/test_k_means.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/test_mean_shift.py
/usr/lib/python2.7/dist-packages/sklearn/cluster/tests/test_spectral.py