A question about environment configuration

[WangQHui]

Hello, when i test the magym environment there has a question:
[ERROR 10:24:10] pymarl Failed after 0:00:00!
Traceback (most recent calls WITHOUT Sacred internals):
File "E:/WQH/CTDS-main/pymarl/src/main.py", line 36, in my_main
run(run, config, log)
File "E:\WQH\CTDS-main\pymarl\src\run.py", line 51, in run
run_sequential_teach(args=args, logger=logger)
File "E:\WQH\CTDS-main\pymarl\src\run.py", line 229, in run_sequential_teach
env_info = runner.get_env_info()
File "E:\WQH\CTDS-main\pymarl\src\runners\episode_runner_teach.py", line 37, in get_env_info
return self.env.get_env_info()
File "E:\WQH\CTDS-main\pymarl\src\envs_init.py", line 192, in get_env_info
"obs_perfect_shape": self.get_obs_perfect_size(),
File "E:\WQH\CTDS-main\pymarl\src\envs_init.py", line 131, in get_obs_perfect_size
return self._env.get_obs_perfect_size()
File "D:\Anaconda3\envs\magym\lib\site-packages\gym\core.py", line 237, in getattr
return getattr(self.env, name)
File "D:\Anaconda3\envs\magym\lib\site-packages\gym\core.py", line 237, in getattr
return getattr(self.env, name)
AttributeError: 'Checkers' object has no attribute 'get_obs_perfect_size'�
How can i fix it?

[cathyhxh]

Thank you for your comments. I have updated the code version and you can try it again.