code: def redirect_stdout():
      string_io = StringIO()
      real_stdout = sys.stdout
      real_stderr = sys.stderr
      sys.stdout = string_io
      sys.stderr = string_io
      try:
          yield string_io
      finally:
          sys.stdout = real_stdout
          sys.stderr = real_stderr
          string_io.close()
  
imports: import random
  import string
  import sys
  from contextlib import contextmanager
  from io import StringIO
  from typing import Dict, List
  import caffe2.python.hypothesis_test_util
  import hypothesis.strategies
  import numpy
  import torch
  from hypothesis import given, settings
  from pytext.common.constants import SpecialTokens
  from pytext.data.tensorizers import LabelTensorizer
  from pytext.data.utils import Vocabulary
  from pytext.loss import CrossEntropyLoss
  from pytext.models.output_layers.doc_classification_output_layer import ClassificationOutputLayer
  from pytext.models.output_layers.intent_slot_output_layer import IntentSlotOutputLayer
  from pytext.models.output_layers.word_tagging_output_layer import CRFOutputLayer, WordTaggingOutputLayer
label_desc: Use image node_id 1 for calling a global function with example usage: redirect_stdout() without return types