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Model.resolved mutates shared discriminator field across sibling models via dict.update reference copy #646

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Model.resolved mutates shared discriminator field across sibling models via dict.update reference copy #646

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2 changes: 1 addition & 1 deletion flask_restx/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,7 @@ def resolved(self):

# Recursively copy parent fields if necessary
for parent in self.__parents__:
resolved.update(parent.resolved)
resolved.update(copy.deepcopy(parent.resolved))

# Handle discriminator
candidates = [f for f in resolved.values() if getattr(f, "discriminator", None)]
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