Message 343585 - Python tracker

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Content
New changeset bfd0b7720196b9ff647cc33dafbd31a04496402c by Miss Islington (bot) in branch '3.7':
[3.7] bpo-28866: No type cache for types with specialized mro, invalidation is hard. (GH-13157) (GH-13589)
https://github.com/python/cpython/commit/bfd0b7720196b9ff647cc33dafbd31a04496402c