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-rw-r--r--lib/sqlalchemy/orm/scoping.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/scoping.py b/lib/sqlalchemy/orm/scoping.py
index e29f91da7..b6bd5885c 100644
--- a/lib/sqlalchemy/orm/scoping.py
+++ b/lib/sqlalchemy/orm/scoping.py
@@ -53,7 +53,9 @@ class ScopedSession(object):
from sqlalchemy.orm import mapper
- extension_args = dict((arg,kwargs.pop(arg)) for arg in get_cls_kwargs(_ScopedExt) if arg in kwargs)
+ extension_args = dict([(arg,kwargs.pop(arg))
+ for arg in get_cls_kwargs(_ScopedExt)
+ if arg in kwargs])
kwargs['extension'] = extension = to_list(kwargs.get('extension', []))
if extension_args: