Fix readthedocs build failure (#803)

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Jiayi Weng 2023-02-03 14:40:05 -08:00 committed by GitHub
parent 6c6c872523
commit e8acf0dd46
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@ -4,7 +4,10 @@ import cloudpickle
import gymnasium
import numpy as np
from tianshou.env.pettingzoo_env import PettingZooEnv
try:
from tianshou.env.pettingzoo_env import PettingZooEnv
except ImportError:
PettingZooEnv = None # type: ignore
if TYPE_CHECKING:
import gym