message: Fix broken grappler test.
diff: @@ -193,11 +193,11 @@ class HierarchicalController(Controller):
  [self.hparams.grouping_hidden_size, self.num_groups])
  if self.hparams.bi_lstm:
  variable_scope.get_variable("encoder_lstm_forward", [
  - self.embedding_size + self.hparams.hidden_size / 2,
  + self.embedding_size + self.hparams.hidden_size // 2,
  2 * self.hparams.hidden_size
  ])
  variable_scope.get_variable("encoder_lstm_backward", [
  - self.embedding_size + self.hparams.hidden_size / 2,
  + self.embedding_size + self.hparams.hidden_size // 2,
  2 * self.hparams.hidden_size
  ])
  variable_scope.get_variable(
  