code: def SleepABit(n_secs, coord=None):
      if coord:
          coord.register_thread(threading.current_thread())
      time.sleep(n_secs)
  
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 4 for calling a global function with example usage: SleepABit(n_secs, coord) without return types