message: Fixed empty lines.
diff: @@ -2755,7 +2755,6 @@ def repeat(x, n):
  <tf.Tensor: id=82, shape=(2, 2, 2), dtype=int32, numpy=
  array([[[1, 2],
  [1, 2]],
  -
  [[3, 4],
  [3, 4]]], dtype=int32)>
  ```
  @@ -3010,7 +3009,6 @@ def stack(x, axis=0):
  <tf.Tensor: id=146, shape=(2, 2, 2), dtype=int32, numpy=
  array([[[ 1, 2],
  [ 3, 4]],
  -
  [[10, 20],
  [30, 40]]], dtype=int32)>
  ```
  