- "custom list classes" is now implemented via the "collection_class"

    keyword argument to relation().  the old way still works but is
    deprecated [ticket:212]

1 files changed, 1 insertions, 4 deletions

diff --git a/examples/vertical/vertical.py b/examples/vertical/vertical.py
index 66224fb5b..d4c8b9cae 100644
--- a/examples/vertical/vertical.py
+++ b/examples/vertical/vertical.py
@@ -50,9 +50,6 @@ class Entity(object):
     method is overridden to set all non "_" attributes as EntityValues within the 
     _entities dictionary. """
 
-    # establish the type of '_entities' 
-    _entities = EntityDict
-    
     def __getattr__(self, key):
         """getattr proxies requests for attributes which dont 'exist' on the object
         to the underying _entities dictionary."""
@@ -125,7 +122,7 @@ mapper(
 )
 
 mapper(Entity, entities, properties = {
-    '_entities' : relation(EntityValue, lazy=False, cascade='save-update')
+    '_entities' : relation(EntityValue, lazy=False, cascade='save-update', collection_class=EntityDict)
 })
 
 # create two entities.  the objects can be used about as regularly as