message: fix numpy array formatting
diff: @@ -857,7 +857,7 @@ def pad_to_bounding_box(image, offset_height, offset_width, target_height,
  ... [10., 11., 12.]]]
  >>> padded_image = tf.image.pad_to_bounding_box(x, 1, 1, 4, 4)
  >>> padded_image
  - <tf.Tensor: shape=(4, 4, 3), numpy=..., dtype=float32)>
  + <tf.Tensor: shape=(4, 4, 3), dtype=float32, numpy=array([...], dtype=float32)>
  Args:
  image: 4-D Tensor of shape `[batch, height, width, channels]` or 3-D Tensor
  