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-rw-r--r--django/db/models/fields/__init__.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index cc5025af84..796c4d23c4 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -916,7 +916,7 @@ class Field(RegisterLookupMixin):
return [self.from_db_value]
return []
- @property
+ @cached_property
def unique(self):
return self._unique or self.primary_key