code: def get_event(self):
      if self._event.is_set():
          event = threading.Event()
          self._event = event
      return self._event
  
imports: import io
  import logging
  import random
  import threading
  import time
  from collections import defaultdict
  from horovod.runner.common.util import safe_shell_exec
  from horovod.runner.elastic.worker import HostUpdateResult
label_desc: Use image node_id 3 for calling the HostState obj's underlying member method code with example usage: obj.get_event() and returns: self