[Python] Make pyright ok with generic type manipulation

The following code which is just the extracted problematic part of a non-useless method, really makes pyright mad, how can I fix that?

from typing import Type, Optional

def mymethod[T](in:str, out:Type[T]) -> Optional[T]:
return out(in)


Pyright says:

1 25 error e-f-b Pyright [reportUnusedImport]: Import "Optional" is not accessed
1 25 note e-f-b Pyright: "Optional" is not accessed
3 15 error e-f-b Pyright: "(" was not closed
3 16 error e-f-b Pyright: Position-only parameter separator not allowed as first parameter
3 16 error e-f-b Pyright: Expected parameter name
3 28 error e-f-b Pyright [reportInvalidTypeForm]: Type annotation not supported for this statement
3 35 error e-f-b Pyright: Expected expression
3 35 error e-f-b Pyright: Statements must be separated by newlines or semicolons
4 0 note e-f-b Pyright: Code is unreachable
4 0 error e-f-b Pyright: Statements must be separated by newlines or semicolons
4 0 error e-f-b Pyright: Expected expression
4 0 error e-f-b Pyright: Unindent not expected
4 0 error e-f-b Pyright: Unexpected indentation
4 4 error e-f-b Pyright: "return" can be used only within a function
4 11 error e-f-b Pyright [reportUndefinedVariable]: "out" is not defined
4 14 error e-f-b Pyright: "(" was not closed
4 15 error e-f-b Pyright: Expected expression

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