test: type disable_duplicate_packet_suppression fixture return

bluetoothbot · bluetoothbot · commit 6fe028cbcbdb · 2026-05-20T03:21:11.000Z
diff --git a/tests/conftest.py b/tests/conftest.py
@@ -35,7 +35,7 @@ def run_isolated():
 
 
 @pytest.fixture
-def disable_duplicate_packet_suppression():
+def disable_duplicate_packet_suppression() -> Generator[None]:
     """Disable duplicate packet suppression."""
     # _listener rebinds the interval at module scope, so const-only
     # patching does not reach the hot path.
