code: def test_send_recv_nowait_main(self):
      r, s = channels.create()
      orig = b"spam"
      s.send_nowait(orig)
      obj = r.recv_nowait()
  
      self.assertEqual(obj, orig)
      self.assertIsNot(obj, orig)
  
imports: import threading
  from textwrap import dedent
  import unittest
  import time
  from test.support import import_helper
  from test.support import interpreters
  from test.support.interpreters import channels
  from .utils import _run_output, TestBase
label_desc: Use image node_id 5 for calling the TestSendRecv obj's underlying member method code with example usage: obj.test_send_recv_nowait_main() without return types