code: def patch_stderr() -> StringIO:
      """patch stdout and give an output"""
      sys_stderr = sys.stderr
      io_out = StringIO()
      sys.stderr = io_out
      try:
          yield io_out
      finally:
          sys.stderr = sys_stderr
  
file_path: spark/python/pyspark/ml/torch/tests/test_log_communication.py
imports: from __future__ import absolute_import, division, print_function
  import contextlib
  from io import StringIO
  import sys
  import time
  from typing import Any, Callable
  import unittest
  import pyspark.ml.torch.log_communication
  from pyspark.ml.torch.log_communication import LogStreamingServer, LogStreamingClient, LogStreamingClientBase, _SERVER_POLL_INTERVAL
label_desc: Use image node_id 1 for calling a global function with example usage: patch_stderr() without return types