code: def __init__(self, service_name, source_address):
      self.service_name = service_name
      """Service name that responded to this ping."""
      self.source_address = source_address
      """Source IP address that was visible to the service."""
  
imports: import random
  import socket
  import struct
  import threading
  import cloudpickle
  import psutil
  from six.moves import queue, socketserver
  from bluefog.run.horovodrun.common.util import secret
label_desc: Use image node_id 1 to create a new PingResponse object from inherited base classes: object with example: obj = PingResponse(service_name, source_address)