Message 414558 - Python tracker

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Content 
Mypy seems to allow this:

from typing import NamedTuple, TypeVar, Generic, List, Tuple

T = TypeVar("T")

class New(NamedTuple, Generic[T]):
    x: List[T]
    y: Tuple[T, T]

It's true that pyright doesn't, but maybe that's because it doesn't work in 3.9-3.10?