message: Fix deprecation warnings by exchanging div
diff: @@ -1554,7 +1554,7 @@ def per_image_standardization(image):
  adjusted_stddev = math_ops.maximum(stddev, min_stddev)
  image -= image_mean
  - image = math_ops.div(image, adjusted_stddev, name=scope)
  + image = math_ops.divide(image, adjusted_stddev, name=scope)
  return convert_image_dtype(image, orig_dtype, saturate=True)
  @@ -1823,7 +1823,7 @@ def convert_image_dtype(image, dtype, saturate=False, name=None):
  # cause in.max to be mapped to above out.max but below out.max+1,
  # so that the output is safely in the supported range.
  scale = (scale_in + 1) // (scale_out + 1)
  - scaled = math_ops.div(image, scale)
  + scaled = math_ops.floordiv(image, scale)
  if saturate:
  return math_ops.saturate_cast(scaled, dtype, name=name)
  