diff --git a/Tests/helper.py b/Tests/helper.py
index 4d2d27226ae..203d20053c3 100644
--- a/Tests/helper.py
+++ b/Tests/helper.py
@@ -66,7 +66,9 @@ def convert_to_comparable(
     return new_a, new_b
 
 
-def assert_deep_equal(a: Sequence[Any], b: Sequence[Any], msg: str | None = None) -> None:
+def assert_deep_equal(
+    a: Sequence[Any], b: Sequence[Any], msg: str | None = None
+) -> None:
     try:
         assert len(a) == len(b), msg or f"got length {len(a)}, expected {len(b)}"
     except Exception: