code: def _redirect_stdout(target):
      original = sys.stdout
      sys.stdout = target
      yield
      sys.stdout = original
  
file_path: chainercv/chainercv/evaluations/eval_detection_coco.py
imports: import contextlib
  import itertools
  import numpy
  import os
  import six
  import sys
label_desc: Use image node_id 4 for calling a global function with example usage: _redirect_stdout(target) without return types