code: def is_alive(self):
      try:
          self.proxy._pyroReconnect(1)
      except Pyro4.errors.ConnectionClosedError:
          return False
      except:
          raise
      return True
  
imports: import threading
  import logging
  import queue
  import time
  import Pyro4
label_desc: Use image node_id 2 for calling the Worker obj's underlying member method code with example usage: obj.is_alive() and returns: True, False