/usr/lib/python2.7/dist-packages/pandas/sparse/ is in python-pandas 0.13.1-2ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/pandas/sparse/__init__.py
/usr/lib/python2.7/dist-packages/pandas/sparse/api.py
/usr/lib/python2.7/dist-packages/pandas/sparse/array.py
/usr/lib/python2.7/dist-packages/pandas/sparse/frame.py
/usr/lib/python2.7/dist-packages/pandas/sparse/list.py
/usr/lib/python2.7/dist-packages/pandas/sparse/panel.py
/usr/lib/python2.7/dist-packages/pandas/sparse/series.py
/usr/lib/python2.7/dist-packages/pandas/sparse/tests/
/usr/lib/python2.7/dist-packages/pandas/sparse/tests/__init__.py
/usr/lib/python2.7/dist-packages/pandas/sparse/tests/test_array.py
/usr/lib/python2.7/dist-packages/pandas/sparse/tests/test_libsparse.py
/usr/lib/python2.7/dist-packages/pandas/sparse/tests/test_list.py
/usr/lib/python2.7/dist-packages/pandas/sparse/tests/test_sparse.py