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

for more information, see https://pre-commit.ci

lerobot/common/policies/act/configuration_act.py

@@ -171,9 +171,7 @@ class ACTConfig(PreTrainedConfig):
 
     def validate_features(self) -> None:
         if not self.image_features and not self.env_state_feature:
-            raise ValueError(
-                "You must provide at least one image or the environment state among the inputs."
-            )
+            raise ValueError("You must provide at least one image or the environment state among the inputs.")
 
     @property
     def observation_delta_indices(self) -> None: