- now interfaces.IVariated is zope3

- typo (remove unused spaces)


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27544 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TradeModelLine.py

@@ -53,9 +53,9 @@ class TradeModelLine(Predicate, XMLMatrix, Amount):
     security.declareObjectProtected(Permissions.AccessContentsInformation)
 
     # Declarative interfaces
-    # interfaces.IVariated - as soon as interfaces.IVariated will be zope3
     zope.interface.implements(
-        interfaces.ITransformation
+        interfaces.ITransformation,
+        interfaces.IVariated
     )
 
     # Declarative properties