summaryrefslogtreecommitdiff
path: root/lib/sqlalchemy
diff options
context:
space:
mode:
Diffstat (limited to 'lib/sqlalchemy')
-rw-r--r--lib/sqlalchemy/orm/scoping.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/scoping.py b/lib/sqlalchemy/orm/scoping.py
index aebcfcdfe..caa46670b 100644
--- a/lib/sqlalchemy/orm/scoping.py
+++ b/lib/sqlalchemy/orm/scoping.py
@@ -51,7 +51,7 @@ class ScopedSession(object):
from sqlalchemy.orm import mapper
validate = kwargs.pop('validate', False)
- extension = to_list(kwargs.setdefault('extension', []))
+ kwargs['extension'] = extension = to_list(kwargs.get('extension', []))
if validate:
extension.append(self.extension.validating())
else: