def getPendingTasksForHost(self, host):
        try:
            return self.host_cache[host]
        except __HOLE__:
            v = self._getPendingTasksForHost(host)
            self.host_cache[host] = v
            return v
dataset/ETHPy150Open douban/dpark/dpark/job.py/SimpleJob.getPendingTasksForHost