/usr/share/pyshared/sklearn/tests/ is in python-sklearn 0.11.0-2+deb7u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/sklearn/tests/test_base.py
/usr/share/pyshared/sklearn/tests/test_cross_validation.py
/usr/share/pyshared/sklearn/tests/test_grid_search.py
/usr/share/pyshared/sklearn/tests/test_hmm.py
/usr/share/pyshared/sklearn/tests/test_init.py
/usr/share/pyshared/sklearn/tests/test_kernel_approximation.py
/usr/share/pyshared/sklearn/tests/test_lda.py
/usr/share/pyshared/sklearn/tests/test_multiclass.py
/usr/share/pyshared/sklearn/tests/test_naive_bayes.py
/usr/share/pyshared/sklearn/tests/test_pipeline.py
/usr/share/pyshared/sklearn/tests/test_pls.py
/usr/share/pyshared/sklearn/tests/test_preprocessing.py
/usr/share/pyshared/sklearn/tests/test_qda.py