allow access to ValidationFailed msg attribute

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@6170 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/patches/DCWorkflow.py

@@ -107,6 +107,7 @@ class ValidationFailed(Exception):
         """
         Exception.__init__(self)
         self.msg = message_instance
+    __allow_access_to_unprotected_subobjects__ = 1
     
 DCWorkflow.ValidationFailed = ValidationFailed