code: def task_host_hash_indices(self):
      self._wait_cond.acquire()
      try:
          return self._task_host_hash_indices.copy()
      finally:
          self._wait_cond.release()
  
imports: import threading
  from horovod.runner.common.util import network
label_desc: Use image node_id 9 for calling the BasicDriverService obj's underlying member method code with example usage: obj.task_host_hash_indices() and returns: self