message: Changes in printing output
  Each output is shown after is subsequent print
diff: @@ -3415,24 +3415,20 @@ def image_gradients(image):
  shape=(BATCH_SIZE, IMAGE_HEIGHT, IMAGE_WIDTH, CHANNELS))
  dx, dy = tf.image.image_gradients(image)
  print(image[0, :,:,0])
  - print('-' * 20)
  - print(dx[0, :,:,0])
  - print('-' * 20)
  - print(dy[0, :,:,0])
  tf.Tensor(
  [[ 0. 1. 2. 3. 4.]
  [ 5. 6. 7. 8. 9.]
  [10. 11. 12. 13. 14.]
  [15. 16. 17. 18. 19.]
  [20. 21. 22. 23. 24.]], shape=(5, 5), dtype=float32)
  - --------------------
  + print(dx[0, :,:,0])
  tf.Tensor(
  [[5. 5. 5. 5. 5.]
  [5. 5. 5. 5. 5.]
  [5. 5. 5. 5. 5.]
  [5. 5. 5. 5. 5.]
  [0. 0. 0. 0. 0.]], shape=(5, 5), dtype=float32)
  - --------------------
  + print(dy[0, :,:,0])
  tf.Tensor(
  [[1. 1. 1. 1. 0.]
  [1. 1. 1. 1. 0.]
  