AttributeError: module 'gym' has no attribute 'wrappers'

[fuwen666]

I got an error,
"(fuwen) wen@wen:~/Desktop/MARL_CAVs-main/MARL$ python run_mappo.py
Traceback (most recent call last):
File "run_mappo.py", line 8, in
import highway_env
File "/home/wen/anaconda3/envs/fuwen/lib/python3.6/site-packages/highway_env/init.py", line 5, in
import highway_env.envs
File "/home/wen/anaconda3/envs/fuwen/lib/python3.6/site-packages/highway_env/envs/init.py", line 1, in
from highway_env.envs.highway_env import *
File "/home/wen/anaconda3/envs/fuwen/lib/python3.6/site-packages/highway_env/envs/highway_env.py", line 5, in
from highway_env.envs.common.abstract import AbstractEnv
File "/home/wen/anaconda3/envs/fuwen/lib/python3.6/site-packages/highway_env/envs/common/abstract.py", line 21, in
class AbstractEnv(gym.Env):
File "/home/wen/anaconda3/envs/fuwen/lib/python3.6/site-packages/highway_env/envs/common/abstract.py", line 32, in AbstractEnv
_monitor: Optional[gym.wrappers.Monitor]
AttributeError: module 'gym' has no attribute 'wrappers'
"

[Dong Chen]

Hi, could you please check this issue #2 to set up your experiment?

[fuwen666]

Thank you!

[fuwen666]

/home/wen/anaconda3/envs/fuwen/bin/python /home/wen/Desktop/MARL_CAVs-main/MARL/run_mappo.py
ERROR:root:Can not find checkpoint for ./results/Oct-19_05:12:30/models/
/home/wen/Desktop/MARL_CAVs-main/MARL/single_agent/Model_common.py:21: UserWarning: Implicit dimension choice for log_softmax has been deprecated. Change the call to include dim=X as an argument.
out = self.output_act(self.fc3(out))

[Dong Chen]

have you solved the issue? You can ignore the error above since it tries to load the pretrained weights.