specify an id to avoid duplicates

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@41181 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/DocumentationHelper/DocumentationHelper.py

@@ -70,7 +70,9 @@ class TempObjectLibrary(object):
         container = self(random.choice(possible_parent_list))
       else:
         container = self.root
-      temp_object = container.newContent(portal_type=portal_type, temp_object=1)
+      temp_object = container.newContent(portal_type=portal_type,
+                                         id=portal_type,
+                                         temp_object=1)
       self.portal_type_dict[portal_type] = temp_object
     return temp_object