ExtensionOption needed to extend from MapperOption

diff --git a/lib/sqlalchemy/orm/mapper.py b/lib/sqlalchemy/orm/mapper.py
index abfe18db351a097e44951fa3a26d1f7fd1495384..58865242d4e76bcca2c4176e8b6e4135b22e1d60 100644 (file)
--- a/lib/sqlalchemy/orm/mapper.py
+++ b/lib/sqlalchemy/orm/mapper.py
@@ -1354,7 +1354,7 @@ class _ExtensionCarrier(MapperExtension):
         else:
             return EXT_PASS
     
-class ExtensionOption(MapperExtension):
+class ExtensionOption(MapperOption):
     def __init__(self, ext):
         self.ext = ext
     def process_query(self, query):