message: Fix print format error.
diff: @@ -612,10 +612,10 @@ class HierarchicalController(Controller):
  num_inter_group_connections = num_connections - num_intra_group_connections
  if verbose:
  print("grouping evaluation metric")
  - print("num_connections={} num_intra_group_connections={} "
  + print(("num_connections={} num_intra_group_connections={} "
  "num_inter_group_connections={}").format(
  num_connections, num_intra_group_connections,
  - num_inter_group_connections)
  + num_inter_group_connections))
  self.dag_matrix = dag_matrix
  # output_shape
  @@ -972,8 +972,8 @@ class HierarchicalController(Controller):
  controller_ops["reward"]["ph"][child_id]: reward,
  })
  if verbose:
  - print("run_time={:<.5f} reward={:<.5f} "
  - "best_reward={:<.5f}").format(run_time, reward, best_reward)
  + print(("run_time={:<.5f} reward={:<.5f} "
  + "best_reward={:<.5f}").format(run_time, reward, best_reward))
  # Reward is a double, best_reward a float: allow for some slack in the
  # comparison.
  