message: Replace decode_image with decode_jpeg to avoid ValueError in datasets programmers guide.
diff: @@ -540,7 +540,7 @@ batched into a fixed size.
  # to a fixed shape.
  def _parse_function(filename, label):
  image_string = tf.read_file(filename)
  - image_decoded = tf.image.decode_image(image_string)
  + image_decoded = tf.image.decode_jpeg(image_string)
  image_resized = tf.image.resize_images(image_decoded, [28, 28])
  return image_resized, label
  