message: Added comment to Decoder.finalize
diff: @@ -112,6 +112,20 @@ class Decoder(object):
  raise NotImplementedError
  def finalize(self, outputs, final_state, sequence_lengths):
  + """Called after any decoding iterations.
  +
  + Args:
  + outputs: RNNCell outputs (possibly nested tuple of) tensor[s] for all time
  + steps.
  + final_state: RNNCell final state (possibly nested tuple of) tensor[s] for
  + last time step.
  + sequence_lengths: Scalar `int32` tensor. Maximum sequence length.
  +
  + Returns:
  + `(final_outputs, final_state)`: `final_outputs` is an object containing
  + the final decoder output, `final_state` is a (structure of) state tensors and
  + TensorArrays.
  + """
  raise NotImplementedError
  @property
  