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Incorrect ABC registration for SetProxy in multiprocessing.managers #142740

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Incorrect ABC registration for SetProxy in multiprocessing.managers#142740
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stdlibStandard Library Python modules in the Lib/ directorytopic-multiprocessingtype-bugAn unexpected behavior, bug, or error

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@hyongtao-code
hyongtao-code
opened on Dec 15, 2025

_BaseSetProxy implements set semantics but is registered as collections.abc.MutableMapping.

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

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