This reverts commit 53d78d9956dbbfe50395bf8002b0308b375c02a9. Now that Format is back in, merge it. Should fix https://github.com/fonttools/fonttools/pull/878
This reverts commit 53d78d9956dbbfe50395bf8002b0308b375c02a9. Now that Format is back in, merge it. Should fix https://github.com/fonttools/fonttools/pull/878