/usr/lib/python2.7/dist-packages/chaco/tests/ is in python-chaco 4.4.1-1.2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/chaco/tests/__init__.py
/usr/lib/python2.7/dist-packages/chaco/tests/_tools.py
/usr/lib/python2.7/dist-packages/chaco/tests/array_plot_data_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/arraydatasource_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/base_utils_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/border_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/colormapper_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/component_tests.py
/usr/lib/python2.7/dist-packages/chaco/tests/data_view_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/datarange_1d_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/datarange_2d_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/grid_data_source_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/grid_mapper_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/hittest_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/instantiation_order_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/linearmapper_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/logmapper_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/plotcontainer_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/serializable_base.py
/usr/lib/python2.7/dist-packages/chaco/tests/serializable_test_case.py
/usr/lib/python2.7/dist-packages/chaco/tests/speedups_test_case.py