/usr/lib/python2.7/dist-packages/traits/util/ is in python-traits 4.5.0-1ubuntu2.
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..
/usr/lib/python2.7/dist-packages/traits/util/__init__.py
/usr/lib/python2.7/dist-packages/traits/util/api.py
/usr/lib/python2.7/dist-packages/traits/util/async_trait_wait.py
/usr/lib/python2.7/dist-packages/traits/util/camel_case.py
/usr/lib/python2.7/dist-packages/traits/util/clean_strings.py
/usr/lib/python2.7/dist-packages/traits/util/deprecated.py
/usr/lib/python2.7/dist-packages/traits/util/home_directory.py
/usr/lib/python2.7/dist-packages/traits/util/import_symbol.py
/usr/lib/python2.7/dist-packages/traits/util/resource.py
/usr/lib/python2.7/dist-packages/traits/util/tests/
/usr/lib/python2.7/dist-packages/traits/util/tests/__init__.py
/usr/lib/python2.7/dist-packages/traits/util/tests/test_async_trait_wait.py
/usr/lib/python2.7/dist-packages/traits/util/tests/test_camel_case.py
/usr/lib/python2.7/dist-packages/traits/util/tests/test_import_symbol.py
/usr/lib/python2.7/dist-packages/traits/util/toposort.py
/usr/lib/python2.7/dist-packages/traits/util/trait_documenter.py