> so a separate, "standard" choice in typechecking was made called mypy This distorts reality a bit. Mypy is one of the flowers; Jukka developed the annotation

> so a separate, "standard" choice in typechecking was made called mypy This distorts reality a bit. Mypy is one of the flowers; Jukka developed the annotation syntax. It got popular enough to become the de facto standard. I would say the strategy worked.