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authorjvanasco <jonathan@2xlp.com>2014-10-17 19:37:47 -0400
committerjvanasco <jonathan@2xlp.com>2014-10-17 19:37:47 -0400
commitefca4af93603faa7abfeacbab264cad85ee4105c (patch)
treec98b87e0a489c668acd119800c8a946dc7fdf9d4 /lib/sqlalchemy/ext
parent4da020dae324cb871074e302f4840e8731988be0 (diff)
parent61a4a89d993eda1d3168b501ba9ed8d94ea9b5f8 (diff)
downloadsqlalchemy-efca4af93603faa7abfeacbab264cad85ee4105c.tar.gz
Merged zzzeek/sqlalchemy into master
Diffstat (limited to 'lib/sqlalchemy/ext')
-rw-r--r--lib/sqlalchemy/ext/declarative/api.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/ext/declarative/api.py b/lib/sqlalchemy/ext/declarative/api.py
index e84b21ad2..66fe05fd0 100644
--- a/lib/sqlalchemy/ext/declarative/api.py
+++ b/lib/sqlalchemy/ext/declarative/api.py
@@ -547,7 +547,7 @@ class AbstractConcreteBase(ConcreteBase):
for scls in cls.__subclasses__():
sm = _mapper_or_none(scls)
- if sm.concrete and cls in scls.__bases__:
+ if sm and sm.concrete and cls in scls.__bases__:
sm._set_concrete_base(m)