'Overcooked_LLMA_V4' object has no attribute 'seed'

[paulzyzy]

Hi, when I run sh scripts/tomato_salad_ppo_llm.sh, I meet the following error:
Traceback (most recent call last):
File "/home/yuz23046/TWOSOME/twosome/overcooked/ppo_llm_pomdp.py", line 184, in
envs = gym.vector.SyncVectorEnv(
File "/home/yuz23046/miniconda3/envs/twosome/lib/python3.9/site-packages/gym/vector/sync_vector_env.py", line 52, in init
self.envs = [env_fn() for env_fn in env_fns]
File "/home/yuz23046/miniconda3/envs/twosome/lib/python3.9/site-packages/gym/vector/sync_vector_env.py", line 52, in
self.envs = [env_fn() for env_fn in env_fns]
File "/home/yuz23046/TWOSOME/twosome/overcooked/ppo_llm_pomdp.py", line 126, in thunk
env.seed(seed)
File "/home/yuz23046/miniconda3/envs/twosome/lib/python3.9/site-packages/gym/core.py", line 241, in getattr
return getattr(self.env, name)
File "/home/yuz23046/miniconda3/envs/twosome/lib/python3.9/site-packages/gym/core.py", line 241, in getattr
return getattr(self.env, name)
File "/home/yuz23046/miniconda3/envs/twosome/lib/python3.9/site-packages/gym/core.py", line 241, in getattr
return getattr(self.env, name)
AttributeError: 'Overcooked_LLMA_V4' object has no attribute 'seed'

[WeihaoTan]

Hi. Which version of gym do you use? Did you install the libraries with the requirement.txt?