code: def _action(self):
      self._action_event.clear()
      self._on_workers_recorded()
      self._action_event.set()
  
file_path: horovod/horovod/runner/elastic/registration.py
imports: import logging
  import threading
  from collections import defaultdict
  from horovod.runner.elastic import constants
label_desc: Use image node_id 13 for calling the WorkerStateRegistry obj's underlying member method code with example usage: obj._action() without return types