message: Add docstring note about .transform() backprop behaviour.
diff: @@ -224,7 +224,8 @@ def transform(images, transforms, interpolation="NEAREST", name=None):
  `(x, y)` to a transformed *input* point
  `(x', y') = ((a0 x + a1 y + a2) / k, (b0 x + b1 y + b2) / k)`,
  where `k = c0 x + c1 y + 1`. The transforms are *inverted* compared to
  - the transform mapping input points to output points.
  + the transform mapping input points to output points. Note that gradients
  + are not backpropagated into transformation parameters.
  interpolation: Interpolation mode. Supported values: "NEAREST", "BILINEAR".
  Returns:
  