diff --git a/test/test_tensordict.py b/test/test_tensordict.py
index 27b53b686..63ebc8935 100644
--- a/test/test_tensordict.py
+++ b/test/test_tensordict.py
@@ -9865,7 +9865,7 @@ def check_weakref_count(weakref_list, expected):
 
     @pytest.mark.skipif(
         not torch.cuda.is_available(),
-     # and not torch.backends.mps.is_available(),
+        # and not torch.backends.mps.is_available(),
         reason="a device is required.",
     )
     def test_cached_data_lock_device(self):