* bzrlib/tests/test_pack_repository.py: (load_tests): Revert the fix but mark the place.
* bzrlib/repository.py: (MRepositoryFormatPackDevelopment4, RepositoryFormatPackDevelopment4Subtree): Revert the fix but mark the place.
* bzrlib/repofmt/pack_repo.py: (RepositoryFormatPackDevelopment4.get_format_string, RepositoryFormatPackDevelopment4Subtree.get_format_string): Bah, revert the fix but mark the place.