mypy's "implicit optional" (and why I disable it) (intermediate) anthony explains

[@UriYakir]

I look forward to your video every day! They are very educational and interesting, thank you!

[@MrRastow]

mypy has changed it's default behaviour regarding implicit optional types in version 0.980. Now implicit_optional is false by default.

[@StanislavSchmidt1]

Does it only work with None or is mypy going to annotate y: int = "hello" as Union[int, str]?

[@anthonywritescode]

yeah, only `None`