code: def _in_cooldown_period(self, current_time):
      return self._cooldown_period_end_ts > current_time
  
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 5 for calling the HostState obj's underlying member method code with example usage: obj._in_cooldown_period(current_time) and returns: unknown