class_docstr: A LeagueBuilder that does nothing.
  
  Useful for simple, non-league-building multi-agent setups.
  See e.g.
  `rllib/tuned_examples/alpha_star/multi-agent-cart-pole-alpha-star.yaml`
class_docstr_tok: ["A","LeagueBuilder","that","does","nothing",".","Useful","for","simple",",","non-league-building","multi-agent","setups",".","See","e.g",".","`","rllib\/tuned_examples\/alpha_star\/multi-agent-cart-pole-alpha-star.yaml","`"]
code: def build_league(self, result: ResultDict) -> None:
      pass
  
imports: import logging
  import re
  from abc import ABCMeta
  from collections import defaultdict
  from typing import Any, DefaultDict, Dict
  import numpy
  from ray.rllib.algorithms.algorithm import Algorithm
  from ray.rllib.algorithms.algorithm_config import AlgorithmConfig
  from ray.rllib.examples.policy.random_policy import RandomPolicy
  from ray.rllib.policy.policy import PolicySpec
  from ray.rllib.utils.annotations import ExperimentalAPI, override
  from ray.rllib.utils.numpy import softmax
  from ray.rllib.utils.typing import PolicyID, ResultDict
label_desc: Use image node_id 1 for calling the NoLeagueBuilder obj's underlying member method code with example usage: obj.build_league(result) without return types