old_contents: 
  # issue#1924 may happen on old systems
  import cv2  # noqa
  
  # issue#7378 may happen with custom opencv. It doesn't hurt to disable opencl
  import os
  os.environ['OPENCV_OPENCL_RUNTIME'] = ''
  
  os.environ['TF_ENABLE_WINOGRAD_NONFUSED'] = '1'  # issue#9339
  os.environ['TF_AUTOTUNE_THRESHOLD'] = '3'   # use more warm-up
  
  __version__ = '0.1.8'
  
new_contents: 
  # issue#1924 may happen on old systems
  import cv2  # noqa
  
  # issue#7378 may happen with custom opencv. It doesn't hurt to disable opencl
  import os
  os.environ['OPENCV_OPENCL_RUNTIME'] = ''
  
  os.environ['TF_ENABLE_WINOGRAD_NONFUSED'] = '1'  # issue#9339
  os.environ['TF_AUTOTUNE_THRESHOLD'] = '3'   # use more warm-up
  os.environ['TF_AVGPOOL_USE_CUDNN'] = '1'   # issue#8566
  
  __version__ = '0.1.8'
  
subject: fix avgpool issue in TF