[Python-Dev] Re: PEP 649: Deferred Evaluation Of Annotations

I think as long as there's a test case for something like ``` @dataclass class Node: global_node: ClassVar[Node | None] left: InitVar[Node | None] right: InitVar[None | None] ``` the bug https://bugs.python.org/issue33453 and the current implementation https://github.com/python/cpython/blob/bfc2d5a5c4550ab3a2fadeb9459b4bd948ff6... shows this is a tricky problem