def list_data_units(self):
        return self.data_units.items()
Lookup the room and user associated with the stanza's sender.
dataset/ETHPy150Open saga-project/BigJob/pilot/impl/pilot_manager.py/ComputeDataService.list_data_units--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/muc.py/MUCClient._getRoomUser