yes, that's what i was thinking of wrt "import". i ran

./pants test tests/python/pants_test/backend/python/tasks:python_dist-integration -- -k test_invalidation

, then made a code change for the next commit in the most recent PR, then ran that command again and saw just one line:

tests/python/pants_test/backend/python/tasks:python_dist-integration            .....   SUCCESS