class_docstr: Threaded Repeated Timer from http://shortn/_3hMZTFr1Iv.
code: def stop(self):
      duration = self._get_duration_sec()
      self._timer.cancel()
      self.is_running = False
      return duration
  
file_path: tensorflow-upstream/tensorflow/python/distribute/coordinator/utils.py
imports: import threading
  import time
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.training import server_lib
label_desc: Use image node_id 5 for calling the RepeatedTimer obj's underlying member method code with example usage: obj.stop() and returns: duration