[issue41022] AST sum types is unidentifiable after ast.Constant became a base class

[Batuhan Taskaya]

Batuhan Taskaya <isidentical at gmail.com> added the comment:

> Where they were identifable in such way? It is incorrect way, because user can create a subclass of every AST class.

You are right, I didn't consider that while I was opening the issue. Also from 3.9>= can be searched "|" in the ASDL signature to identify these types.

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resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41022>
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