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-rw-r--r--lib/sqlalchemy/engine/base.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/engine/base.py b/lib/sqlalchemy/engine/base.py
index 722acd6f0..21e0101d2 100644
--- a/lib/sqlalchemy/engine/base.py
+++ b/lib/sqlalchemy/engine/base.py
@@ -1485,7 +1485,7 @@ class ResultProxy(object):
# you say something like query.options(contains_alias('fooalias')) - the matching
# is done on strings
if isinstance(key, expression.ColumnElement):
- if key._label.lower() in props:
+ if key._label and key._label.lower() in props:
return props[key._label.lower()]
elif key.name.lower() in props:
return props[key.name.lower()]