diff --git a/tests/datasets/test_substation.py b/tests/datasets/test_substation.py
index 36acc44b548..30f2e7b42d2 100644
--- a/tests/datasets/test_substation.py
+++ b/tests/datasets/test_substation.py
@@ -89,7 +89,7 @@ def test_getitem_semantic(self, config: dict[str, Any]) -> None:
         assert isinstance(x, dict), f'Expected dict, got {type(x)}'
         assert isinstance(x['image'], torch.Tensor), (
             'Expected image to be a torch.Tensor'
-            )
+        )
         assert isinstance(x['mask'], torch.Tensor), 'Expected mask to be a torch.Tensor'
 
     def test_len(self, dataset: Substation) -> None: