code: def _run_device(self, s1, s2):
      ret = pynng.lib.nng_device(s1.socket, s2.socket)
      check_err(ret)
  
imports: import random
  import logging
  import multiprocessing
  import threading
  from fiber.backend import get_backend
label_desc: Use image node_id 6 for calling the NNGDevice obj's underlying member method code with example usage: obj._run_device(s1, s2) without return types