tutorial_BipedalWalker_v3.ipynb 跑不通

直接运行tutorial_BipedalWalker_v3.ipynb
报错
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AttributeError Traceback (most recent call last)
e:\study\machineStudy\project\matd3\ElegantRL\tutorial_BipedalWalker_v3.ipynb Cell 15 in ()
----> [1](vscode-notebook-cell:/e%3A/study/machineStudy/project/matd3/ElegantRL/tutorial_BipedalWalker_v3.ipynb#X20sZmlsZQ%3D%3D?line=0) train_and_evaluate(args)

File e:\study\machineStudy\project\matd3\ElegantRL\elegantrl\train\run.py:91, in train_and_evaluate(args)
88 buffer = init_buffer(args, gpu_id)
89 evaluator = init_evaluator(args, gpu_id)
---> 91 agent.state = env.reset()
92 if args.if_off_policy:
93 trajectory = agent.explore_env(env, args.num_seed_steps * args.num_steps_per_episode)

AttributeError: 'NoneType' object has no attribute 'reset'
我试着使用args.env = build_env(env_func=args.env_func, env_args=args.env_args) 进行自己添加env参数。也会报其他错误。这个框架很好，模块都是分离的。要是有把各种算法环境都跑通。统一放进一个demo文件夹下就更好了。然后增加个mpe环境比较合适。多智能体的环境和demo太少