[issue34363] dataclasses.asdict() mishandles dataclass instance attributes that are instances of subclassed typing.NamedTuple

[Ivan Levkivskyi]

Ivan Levkivskyi <levkivskyi at gmail.com> added the comment:

Eric, I like your solution. It is probably not perfect, but at least it solves the existing problem without introducing obvious problems.

Neil, your way will not work since named tuples don't have NamedTuple in their MROs:

CustomNT.mro == (CustomNT, tuple, object)

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<https://bugs.python.org/issue34363>
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