code: def _create_socks(self):
      opener1 = self._mode_to_opener[self.s1_mode]
      opener2 = self._mode_to_opener[self.s2_mode]
  
      s1 = pynng.Socket(opener=opener1)
      s2 = pynng.Socket(opener=opener2)
  
      return s1, s2
  
imports: import random
  import logging
  import multiprocessing
  import threading
  from fiber.backend import get_backend
label_desc: Use image node_id 4 for calling the NNGDevice obj's underlying member method code with example usage: obj._create_socks() and returns: s1,  s2