code: def register_worker_for_dispatcher(self, dispatcher_id, worker_id):
      self._send(
          RegisterDispatcherWorkerRequest(dispatcher_id, worker_id)
      )
  
imports: import threading
  from horovod.runner.common.util import timeout, network
  from horovod.runner.common.util.network import AckResponse
  from horovod.runner.common.util.timeout import TimeoutException
  from horovod.runner.util.threads import in_thread
label_desc: Use image node_id 4 for calling the ComputeClient obj's underlying member method code with example usage: obj.register_worker_for_dispatcher(dispatcher_id, worker_id) without return types