code: def __del__(self):
      self.socket.close()
      self.pub.close()
      self.sub.close()
      self._ctx.term()
  
file_path: ipyparallel/examples/interengine/communicator.py
imports: import socket
  import uuid
  import zmq
  from ipyparallel.util import disambiguate_url
label_desc: Use image node_id 2 for calling the EngineCommunicator obj's underlying member method code with example usage: obj.__del__() without return types