code: def jpeg_compression(x, severity=1):
    
    c = [25, 18, 15, 10, 7][severity - 1]
    x = tfds.core.lazy_imports.PIL_Image.fromarray(x.astype(np.uint8))
    output = io.BytesIO()
    x.save(output, 'JPEG', quality=c)
    output.seek(0)
    x = tfds.core.lazy_imports.PIL_Image.open(output)
    return np.asarray(x)
docs: Conduct jpeg compression to images.
  
    Args:
      x: numpy array, uncorrupted image, assumed to have uint8 pixel in [0,255].
      severity: integer, severity of corruption.
  
    Returns:
      numpy array, image with uint8 pixels in [0,255]. Applied jpeg compression.