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-rw-r--r--rest_framework/relations.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/rest_framework/relations.py b/rest_framework/relations.py
index 0b7c9d86..3a966c5b 100644
--- a/rest_framework/relations.py
+++ b/rest_framework/relations.py
@@ -360,6 +360,10 @@ class ManyRelatedField(Field):
]
def get_attribute(self, instance):
+ # Can't have any relationships if not created
+ if not instance.pk:
+ return []
+
relationship = get_attribute(instance, self.source_attrs)
return relationship.all() if (hasattr(relationship, 'all')) else relationship