[pre-commit.ci] auto fixes from pre-commit.com hooks

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src/lerobot/envs/utils.py

@@ -80,6 +80,7 @@ def preprocess_observation(observations: dict[str, np.ndarray]) -> dict[str, Ten
 
     return return_observations
 
+
 def env_to_policy_features(env_cfg: EnvConfig) -> dict[str, PolicyFeature]:
     # TODO(aliberts, rcadene): remove this hardcoding of keys and just use the nested keys as is
     # (need to also refactor preprocess_observation and externalize normalization from policies)