diff --git a/python/tests/conftest.py b/python/tests/conftest.py
index 26edd93..5ef4761 100644
--- a/python/tests/conftest.py
+++ b/python/tests/conftest.py
@@ -7,7 +7,7 @@
 ALL = {"darwin", "linux", "win32"}
 
 
-def pytest_runtest_setup(item) -> None:  # noqa: ANN001
+def pytest_runtest_setup(item: pytest.Item) -> None:
     supported_platforms = ALL.intersection(mark.name for mark in item.iter_markers())
     plat = sys.platform
     if supported_platforms and plat not in supported_platforms: