message: [TF 2.0 API Docs] tf.image.adjust_hue
  Updated adjust_hue by adding a usage example in the docstring in image_ops_impl.py. The issue has been raised and is provided in this link
diff: @@ -1889,6 +1889,13 @@ def adjust_hue(image, delta, name=None):
  Returns:
  Adjusted image(s), same shape and DType as `image`.
  +
  + Usage Example:
  + ```python
  + >> import tensorflow as tf
  + >> x = tf.random.normal(shape=(256, 256, 3))
  + >> tf.image.adjust_hue(x, 0.2)
  + ```
  """
  with ops.name_scope(name, 'adjust_hue', [image]) as name:
  image = ops.convert_to_tensor(image, name='image')
  