1 files changed, 3 insertions, 1 deletions
diff --git a/tests/utils.py b/tests/utils.py
index 045a8b5fa7..65db437697 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -270,7 +270,9 @@ class MockClock:
         *args: P.args,
         **kwargs: P.kwargs,
     ) -> None:
-        self.loopers.append(Looper(function, interval / 1000.0, self.now, args, kwargs))
+        # This type-ignore should be redundant once we use a mypy release with
+        # https://github.com/python/mypy/pull/12668.
+        self.loopers.append(Looper(function, interval / 1000.0, self.now, args, kwargs))  # type: ignore[arg-type]
 
     def cancel_call_later(self, timer: Timer, ignore_errs: bool = False) -> None:
         if timer.expired: