message: Made tf.HParams compatible with
diff: @@ -358,6 +358,8 @@ class HParams(object):
  ```
  """
  + _HAS_DYNAMIC_ATTRIBUTES = True # Required for pytype checks.
  +
  def __init__(self, hparam_def=None, model_structure=None, **kwargs):
  """Create an instance of `HParams` from keyword arguments.
  