def load(self):
        raise NotImplementedError()
@param callable: callable instance which will be added by addErrback for callRemote defer
dataset/ETHPy150Open klen/graphite-beacon/graphite_beacon/alerts.py/BaseAlert.load--crossover with--dataset/ETHPy150Open selfsk/nodeset.core/src/nodeset/core/heartbeat.py/NodeMonitor.onFail