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running error of play_maps.py #68

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KeysaYoung opened this issue Aug 22, 2022 · 3 comments
Open

running error of play_maps.py #68

KeysaYoung opened this issue Aug 22, 2022 · 3 comments

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@KeysaYoung
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KeysaYoung commented Aug 22, 2022

python play_maps.py -map i80
Traceback (most recent call last):
  File "play_maps.py", line 81, in <module>
    observation, reward, done, info = env.step(action)
  File "/anaconda3/envs/PPUU/lib/python3.8/site-packages/gym/wrappers/order_enforcing.py", line 37, in step
    return self.env.step(action)
  File "/anaconda3/envs/PPUU/lib/python3.8/site-packages/gym/wrappers/step_api_compatibility.py", line 52, in step
    step_returns = self.env.step(action)
  File "/anaconda3/envs/PPUU/lib/python3.8/site-packages/gym/wrappers/env_checker.py", line 37, in step
    return env_step_passive_checker(self.env, action)
  File "/anaconda3/envs/PPUU/lib/python3.8/site-packages/gym/utils/passive_env_checker.py", line 269, in env_step_passive_checker
    assert isinstance(
AssertionError: The `info` returned by `step()` must be a python dictionary, actual type: <class 'NoneType'>
@Atcold
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Atcold commented Sep 16, 2022

play_maps.py has 79 lines.
How is it that you're getting an error at line 81?

@915414922
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I also got the same problem.

python play_maps.py -map i80
Traceback (most recent call last):
  File "play_maps.py", line 73, in <module>
    observation, reward, done, info = env.step(numpy.zeros((2,)))
  File "/home/workspace/anaconda3/envs/PPUU/lib/python3.8/site-packages/gym/wrappers/order_enforcing.py", line 37, in step
    return self.env.step(action)
  File "/home/workspace/anaconda3/envs/PPUU/lib/python3.8/site-packages/gym/wrappers/env_checker.py", line 37, in step
    return env_step_passive_checker(self.env, action)
  File "/home/workspace/anaconda3/envs/PPUU/lib/python3.8/site-packages/gym/utils/passive_env_checker.py", line 261, in env_step_passive_checker
    assert isinstance(
AssertionError: The `info` returned by `step()` must be a python dictionary, actual type: <class 'NoneType'>

@YarekSvyryda
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@915414922
Just downgrade the version of gym to 0.13.0.

In enviroment.yaml no specific version of gym is mentioned, so it grabs the latest.
And because of that checker doesn't allow None to be returned by step().

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4 participants