CVS is my friend. Really.

lib/python/Interface/Attr.py

@@ -10,7 +10,6 @@ class Attribute(InterfaceBase):
         """
         self.__name__=__name__
         self.__doc__=__doc__ or __name__
-        self.__tagged_values = {}
 
 
 

lib/python/Interface/InterfaceBase.py

 
 class InterfaceBase:
 
+    __tagged_values = {}
+
     def getName(self):
         """ Returns the name of the object. """
         return self.__name__

lib/python/Interface/iclass.py

@@ -51,7 +51,6 @@ class Interface(InterfaceBase):
                     "Concrete attribute, %s" % k)
 
         self.__attrs = attrs
-        self.__tagged_values = {}  #why?
 
     def getBases(self):
         return self.__bases__