clean dict after display of warning otherwise installation will fail

later in transaction


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@43127 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/BusinessTemplate.py

@@ -3657,6 +3657,9 @@ class PropertySheetTemplateItem(DocumentTemplateItem,
              'already exists in portal_property_sheets and '\
              'cannot be updated automatically for now. ' % class_id,
              UserWarning)
+        del migrate_object_dict[class_id]
+        if class_id in object_dict:
+          del object_dict[class_id]
         continue
 
       filesystem_property_sheet_path = \