Standardize sb3 vec env wrapper to match DummyVecEnv reset() function #226
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This was referenced Jul 20, 2023
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This fixes an issue where the wrapper was returning both obs and info, but SB3 only expected observation (see https://github.com/DLR-RM/stable-baselines3/blob/master/stable_baselines3/common/vec_env/dummy_vec_env.py#L76)