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Copy validators lists on instantiation.
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@ -327,7 +327,9 @@ class Serializer(BaseSerializer):
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Returns a list of validator callables.
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"""
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# Used by the lazily-evaluated `validators` property.
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return getattr(getattr(self, 'Meta', None), 'validators', [])
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meta = getattr(self, 'Meta', None)
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validators = getattr(meta, 'validators', None)
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return validators[:] if validators else []
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def get_initial(self):
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if hasattr(self, 'initial_data'):
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@ -1213,7 +1215,7 @@ class ModelSerializer(Serializer):
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# If the validators have been declared explicitly then use that.
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validators = getattr(getattr(self, 'Meta', None), 'validators', None)
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if validators is not None:
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return validators
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return validators[:]
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# Otherwise use the default set of validators.
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return (
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