simply call superclass constructor in __init__

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18240 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/ConsistencyMessage.py

@@ -38,9 +38,7 @@ class ConsistencyMessage(ObjectMessage):
     """
     init specific variable to constraint
     """
-    self.object_relative_url = object_relative_url
-    self.message = message
-    self.mapping = mapping
+    ObjectMessage.__init__(self, object_relative_url, message, mapping)
     self.description = constraint.description
     self.class_name = constraint.__class__.__name__
     self.__dict__.update(kw)