def _update_expected_paths(db, expected_paths, the_set):
    for (_, source_path, _, _) in read_completed_set_runs(db, the_set.id):
        _L.debug(u'Discarding {}'.format(source_path))
        expected_paths.discard(source_path)
Discard sources from expected_paths set as they appear in runs table.
dataset/ETHPy150Open openaddresses/machine/openaddr/ci/__init__.py/_update_expected_paths