Ticket #2363: base.py.patch

base.py

@@ -22 +22 @@
     "Metaclass for all models"
     def __new__(cls, name, bases, attrs):
         # If this isn't a subclass of Model, don't do anything special.
-        if not bases or bases == (object,):
-            return type.__new__(cls, name, bases, attrs)
+        if name == 'Model' or not filter(lambda b: issubclass(b, Model), bases):
+            return super(ModelBase, cls).__new__(cls, name, bases, attrs)
 
         # Create the class.
         new_class = type.__new__(cls, name, bases, {'__module__': attrs.pop('__module__')})