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Fix replaced instance being used when pk-only optimization raises AttributeError

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Ryan O’Hara 2018-01-15 15:00:33 -08:00
parent fa5ad1d0d9
commit 4d786f8571
1 changed files with 2 additions and 2 deletions
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4
rest_framework/relations.py
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@ -163,8 +163,8 @@ class RelatedField(Field):
if self.use_pk_only_optimization() and self.source_attrs:
# Optimized case, return a mock object only containing the pk attribute.
try:
instance = get_attribute(instance, self.source_attrs[:-1])
value = instance.serializable_value(self.source_attrs[-1])
attribute_instance = get_attribute(instance, self.source_attrs[:-1])
value = attribute_instance.serializable_value(self.source_attrs[-1])
if is_simple_callable(value):
# Handle edge case where the relationship `source` argument
# points to a `get_relationship()` method on the model