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Protocols can't inherit from AsyncIterator #126699

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stdlibStandard Library Python modules in the Lib/ directorytopic-typingtype-bugAn unexpected behavior, bug, or error
@tungol

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@tungol

Bug report

Bug description:

AsyncIterator was removed from_PROTO_ALLOWLIST by#15647, without any discussion. It looks like an accident to me.

fromtypingimportAsyncIterator,ProtocolclassMyProto(AsyncIterator,Protocol): ...

result:

TypeError: Protocols can only inherit from other protocols, got <class 'collections.abc.AsyncIterator'>

CPython versions tested on:

3.12

Operating systems tested on:

macOS

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    stdlibStandard Library Python modules in the Lib/ directorytopic-typingtype-bugAn unexpected behavior, bug, or error

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