/usr/share/pyshared/sklearn/linear_model/ is in python-sklearn 0.14.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/sklearn/linear_model/__init__.py
/usr/share/pyshared/sklearn/linear_model/base.py
/usr/share/pyshared/sklearn/linear_model/bayes.py
/usr/share/pyshared/sklearn/linear_model/coordinate_descent.py
/usr/share/pyshared/sklearn/linear_model/least_angle.py
/usr/share/pyshared/sklearn/linear_model/logistic.py
/usr/share/pyshared/sklearn/linear_model/omp.py
/usr/share/pyshared/sklearn/linear_model/passive_aggressive.py
/usr/share/pyshared/sklearn/linear_model/perceptron.py
/usr/share/pyshared/sklearn/linear_model/randomized_l1.py
/usr/share/pyshared/sklearn/linear_model/ridge.py
/usr/share/pyshared/sklearn/linear_model/setup.py
/usr/share/pyshared/sklearn/linear_model/stochastic_gradient.py
/usr/share/pyshared/sklearn/linear_model/tests/
/usr/share/pyshared/sklearn/linear_model/tests/__init__.py
/usr/share/pyshared/sklearn/linear_model/tests/test_base.py
/usr/share/pyshared/sklearn/linear_model/tests/test_bayes.py
/usr/share/pyshared/sklearn/linear_model/tests/test_coordinate_descent.py
/usr/share/pyshared/sklearn/linear_model/tests/test_least_angle.py
/usr/share/pyshared/sklearn/linear_model/tests/test_logistic.py
/usr/share/pyshared/sklearn/linear_model/tests/test_omp.py
/usr/share/pyshared/sklearn/linear_model/tests/test_passive_aggressive.py
/usr/share/pyshared/sklearn/linear_model/tests/test_perceptron.py
/usr/share/pyshared/sklearn/linear_model/tests/test_randomized_l1.py
/usr/share/pyshared/sklearn/linear_model/tests/test_ridge.py
/usr/share/pyshared/sklearn/linear_model/tests/test_sgd.py
/usr/share/pyshared/sklearn/linear_model/tests/test_sparse_coordinate_descent.py