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Add frozendict support to pickle #145091

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Add frozendict support to pickle#145091
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pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is providedtype-featureA feature request or enhancementA feature request or enhancement
@rhettinger

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@rhettinger
rhettinger
opened on Feb 22, 2026
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>>> from pickle import dumps
>>> dumps(frozendict(a=1, b=2))
Traceback (most recent call last):
  File "<pyshell#8>", line 1, in <module>
    dumps(frozendict(a=1, b=2))
TypeError: cannot pickle 'frozendict' object
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    pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is providedtype-featureA feature request or enhancementA feature request or enhancement

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