class_docstr: A process that simulates a player and communicates to master to
  send states and receive the next action
class_docstr_tok: ["A","process","that","simulates","a","player","and","communicates","to","master","to","send","states","and","receive","the","next","action"]
code: def _build_player(self):
      pass
  
imports: import multiprocessing
  import os
  import threading
  import time
  from abc import ABCMeta, abstractmethod
  from collections import defaultdict
  import six
  import zmq
  from six.moves import queue
  from tensorpack.utils import logger
  from tensorpack.utils.concurrency import LoopThread, enable_death_signal, ensure_proc_terminate
  from tensorpack.utils.serialize import dumps, loads
label_desc: Use image node_id 3 for calling the SimulatorProcess obj's underlying member method code with example usage: obj._build_player() without return types