Fixed python error in setting output amitag - see ATLASRECTS-6865
The python error exception was intercepted and printed as a misleading warning message about TagInfoMgr to the log, while the SetAMITag() method exited without doing anything
The python error exception was intercepted and printed as a misleading warning message about TagInfoMgr to the log, while the SetAMITag() method exited without doing anything