code: def testJoinWithoutGraceExpires(self):
      coord = coordinator.Coordinator()
      wait_for_stop_ev = threading.Event()
      has_stopped_ev = threading.Event()
      threads = [
          threading.Thread(
              target=StopOnEvent,
              args=(coord, wait_for_stop_ev, has_stopped_ev),
          ),
          threading.Thread(target=SleepABit, args=(10.0,)),
      ]
      for t in threads:
          t.daemon = True
          t.start()
      wait_for_stop_ev.set()
      has_stopped_ev.wait()
      coord.join(
          threads, stop_grace_period_secs=1.0, ignore_live_threads=True
      )
  
imports: import sys
  import threading
  import time
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.platform import test
  from tensorflow.python.training import coordinator
label_desc: Use image node_id 7 for calling the CoordinatorTest obj's underlying member method code with example usage: obj.testJoinWithoutGraceExpires() without return types