#pythonI had the wrong idea for a long time that IDEs treat method/function without return type hint as returning None type. I was wrong. In PEP484, it says IDE should treat such a method/function as a type that is as general as possible. Ah that just makes sense.

#python

I had the wrong idea for a long time that IDEs treat method/function without return type hint as returning None type.
I was wrong. In PEP484, it says IDE should treat such a method/function as a type that is as general as possible. Ah that just makes sense.

https://peps.python.org/pep-0484/#the-meaning-of-annotations

Python Enhancement Proposals (PEPs)

PEP 484 – Type Hints | peps.python.org

PEP 3107 introduced syntax for function annotations, but the semantics were deliberately left undefined. There has now been enough 3rd party usage for static type analysis that the community would benefit from a standard vocabulary and baseline tools w...