self argument is not assignable to variable typed as Self

[DetachHead]

from typing import Self

class Foo:
    def foo(self) -> None:
        asdf: Self = self

main.py:5: error: Incompatible types in assignment (expression has type "Foo", variable has type "Self")  [assignment]
Found 1 error in 1 file (checked 1 source file)

playground

[JamesParrott]

I agree this could be improved. FYI, typing self: Self works:

playground