Add debug message

master/bt5/vifib_slapos_core/WorkflowTemplateItem/portal_workflow/instance_slap_interface_workflow/scripts/RequesterInstance_request.xml

@@ -173,8 +173,9 @@ else:\n
   raise ValueError, "state should be started, stopped or destroyed"\n
 \n
 predecessor_list = requester_instance.getPredecessorList() + [request_software_instance_url]\n
+uniq_predecessor_list = list(set(predecessor_list))\n
 \n
-assert predecessor_list == list(set(predecessor_list))\n
+assert predecessor_list == uniq_predecessor_list, "%s != %s" % (predecessor_list, uniq_predecessor_list)\n
 \n
 # update graph to reflect requested operation\n
 graph[requester_instance.getUid()] = requester_instance.getPredecessorUidList() + [request_software_instance.getUid()]\n

master/bt5/vifib_slapos_core/bt/revision

-24
\ No newline at end of file
+25
\ No newline at end of file