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Fix bug in validators documentation (#8779)
Function validators seem to have to return their value (which will become part of `validated_data`) as part of their signature.
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@ -271,6 +271,7 @@ A validator may be any callable that raises a `serializers.ValidationError` on f
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def even_number(value):
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if value % 2 != 0:
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raise serializers.ValidationError('This field must be an even number.')
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return value
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#### Field-level validation
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