Hi, when i tried to replicate your code, i meet some issues. i can not find where the problem is or how to solve it, could you help me? my environment is builted the same as you recommend, the system is ubuntu 18.04 LTS. there are 2 gpus : 1080Ti & titan X in the code, I only modified the 'num_workers' and 'batch_size' in the YAML file to match my hardware. when i run `python light_malib/main_pbt.py --config light_malib/expr/gr_football/expr_10_vs_10_psro.yaml`，It generated the following error message: ` (/media/lxd/880AA9210AA90CEE/anaconda_envs/lzw_GRF) lxd@lxd-T630:/media/lxd/0A7AE0627AE04BCF/lzw/football_game/DB-Football$ python light_malib/main_pbt.py --config light_malib/expr/gr_football/expr_10_vs_10_psro.yaml [2023-09-28 09:18:34,036][WARNING] No active cluster detected, will create local ray instance. [2023-09-28 09:18:44,991][WARNING] ============== Cluster Info ============== {'node_ip_address': '192.168.1.109', 'raylet_ip_address': '192.168.1.109', 'redis_address': '192.168.1.109:6379', 'object_store_address': '/tmp/ray/session_2023-09-28_09-18-34_037912_47469/sockets/plasma_store', 'raylet_socket_name': '/tmp/ray/session_2023-09-28_09-18-34_037912_47469/sockets/raylet', 'webui_url': None, 'session_dir': '/tmp/ray/session_2023-09-28_09-18-34_037912_47469', 'metrics_export_port': 55494, 'node_id': 'a8211a7e16deb107246a6dfd4b68c7d43f1a31ddb9fdba7c482c3b64'} [2023-09-28 09:18:44,993][WARNING] * cluster resources: {'accelerator_type:G': 1.0, 'GPU': 2.0, 'object_store_memory': 17054784307.0, 'memory': 34109568615.0, 'node:192.168.1.109': 1.0, 'CPU': 48.0} [2023-09-28 09:18:44,993][WARNING] this worker ip: 192.168.1.109 [2023-09-28 09:18:44,994][WARNING] Automatically set master ip to local ip address: 192.168.1.109 [2023-09-28 09:18:46,480][INFO] AgentManager initialized [2023-09-28 09:18:46,514][WARNING] use meta solver type: nash [2023-09-28 09:18:46,991][INFO] PBTRunner psro initialized [2023-09-28 09:18:46,991][INFO] PolicyFactory_agent_0_default new policy ctr starts at -1 [2023-09-28 09:18:46,995][WARNING] use model type: gr_football.built_in_11 (pid=47592) [2023-09-28 09:18:49,787][INFO] DataServer initialized (pid=47595) [2023-09-28 09:18:49,798][INFO] PolicyServer initialized [2023-09-28 09:18:50,411][INFO] Load initial policy built_in_11 from light_malib/trained_models/gr_football/11_vs_11/built_in [2023-09-28 09:18:50,426][WARNING] use model type: gr_football.basic_11 [2023-09-28 09:18:50,479][WARNING] agent_0: agent_0-default-0 is initialized from random [2023-09-28 09:18:50,479][WARNING] policy agent_0-default-0 uses custom_config: {'gamma': 1.0, 'use_cuda': False, 'use_dueling': False, 'preprocess_mode': 'flatten', 'use_q_head': False, 'ppo_epoch': 5, 'num_mini_batch': 1, 'return_mode': 'new_gae', 'gae': {'gae_lambda': 0.95}, 'vtrace': {'clip_rho_threshold': 1.0, 'clip_pg_rho_threshold': 100.0}, 'use_rnn': False, 'rnn_layer_num': 1, 'rnn_data_chunk_length': 16, 'use_feature_normalization': True, 'use_popart': True, 'popart_beta': 0.99999, 'entropy_coef': 0.0, 'clip_param': 0.2, 'use_modified_mappo': False} [2023-09-28 09:18:50,523][WARNING] after initialization: policy_ids: ['built_in_11', 'agent_0-default-0'] populations:

policy_ids:['built_in_11', 'agent_0-default-0']

policy_ids:['built_in_11', 'agent_0-default-0']

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