diff --git a/Tests/helper.py b/Tests/helper.py
index e4ed9c551..4d2d27226 100644
--- a/Tests/helper.py
+++ b/Tests/helper.py
@@ -66,7 +66,7 @@ def convert_to_comparable(
     return new_a, new_b
 
 
-def assert_deep_equal(a: Any, b: 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: