code: def transport(request):
      if sys.platform == "win32" and request.param == "ipc":  #
          pytest.skip("Transport 'ipc' not supported on Windows.")
      return request.param
  
file_path: jupyter_client/tests/test_restarter.py
imports: import asyncio
  import json
  import os
  import sys
  from concurrent.futures import Future
  import pytest
  from jupyter_core import paths
  from traitlets.config.loader import Config
  from traitlets.log import get_logger
  from jupyter_client.ioloop import AsyncIOLoopKernelManager, IOLoopKernelManager
label_desc: Use image node_id 5 for calling a global function with example usage: transport(request) and returns: request