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bpo-33100: Dataclasses now handles __slots__ and default values correctly. (GH-6152)

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If the class has a member that's a MemberDescriptorType, it's not a default value, it's from that member being in __slots__.
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Eric V. Smith 2018-03-19 21:07:51 -04:00 • committed by GitHub
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Dataclasses: If a field has a default value that's a MemberDescriptorType,
then it's from that field being in __slots__, not an actual default value.