message: [doc] fix an error in the comment.
diff: @@ -64,7 +64,7 @@ def keras_style_scope():
  class RNNModel(tf.keras.Model):
  def __init__(self, name):
  - super(RNNModel, self.).__init__(name=name)
  + super(RNNModel, self).__init__(name=name)
  self.rnn = tf.compat.v1.nn.rnn_cell.MultiRNNCell(
  [tf.compat.v1.nn.rnn_cell.LSTMCell(64) for _ in range(2)])
  