old_contents: #
  #   Hello World server in Python
  #   Binds REP socket to tcp://*:5555
  #   Expects b"Hello" from client, replies with b"World"
  #
  
  import logging
  import time
  import zmq
  
  context = zmq.Context()
  socket = context.socket(zmq.REP)
  socket.bind("tcp://*:1234")
  
  while True:
      #  Wait for next request from client
      message = socket.recv()
      print("Received request: %s" % message)
  
      #  Send reply back to client
      socket.send('{"responses": [{"codes": [0, 1, 2], "msg": "Thanks!"}, {"codes": [3, 4, 5], "msg": "Not!"}]}')
  
new_contents: #
  #   Hello World server in Python
  #   Binds REP socket to tcp://*:5555
  #   Expects b"Hello" from client, replies with b"World"
  #
  
  import logging
  import time
  import zmq
  
  context = zmq.Context()
  socket = context.socket(zmq.REP)
  socket.bind("tcp://*:1234")
  
  while True:
      #  Wait for next request from client
      message = socket.recv()
      print("Received request: %s" % message)
  
      #  Send reply back to client
      socket.send_string('{"responses": [{"codes": [0, 1, 2], "msg": "Thanks!"}, {"codes": [3, 4, 5], "msg": "Not!"}]}')
  
subject: Update method call for test server