Bug report

Relate to:https://github.com/python/cpython/blob/main/Lib/typing.py#L2102

_AnnotatedAlias should givename="Annotated" to _GenericAlias

The cpython main branch add the__getattr__ to define a different behaviour from _GenericAlias

I wonder if this is a bug.

To perform a runtime check, I can only usesys.version_info >= (3, 9) and isinstance(obj, _AnnotatedAlias)