def register_optimizer(self, optimizer):
        self._register(optimizer, self.optimizers)
Wait until in running state 
dataset/ETHPy150Open koenbok/Cactus/cactus/static/external/manager.py/ExternalManager.register_optimizer--crossover with--dataset/ETHPy150Open saga-project/BigJob/pilot/impl/pilotdata_manager.py/DataUnit.wait