[3.11] gh-103479: [Enum] require __new__ to be considered a data type (GH-103495) - #103514
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…ta type (pythonGH-103495) a mixin must either have a __new__ method, or be a dataclass, to be interpreted as a data-type. (cherry picked from commit a6f9594) Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
This was referenced Apr 13, 2023
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a mixin must have a new method to be interpreted as a data-type, an init method is not enough (restores pre-3.11 behavior)
(cherry picked from commit a6f9594)
Co-authored-by: Ethan Furman ethan@stoneleaf.us
Enumclass as of 3.11 #103479