Use zope.interface instead of Zope2 Interface.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26628 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Interface/Constraint.py

@@ -29,8 +29,7 @@
 """Constraint Interface.
 """
 
-from Interface import Interface
-from Interface import Attribute
+from zope.interface import Interface, Attribute
 
 class Constraint(Interface):
   """ERP5 Constraints are classes that are in charge of checking wether an