diff --git a/omnia/leds.py b/omnia/leds.py
index d527323..df133f5 100644
--- a/omnia/leds.py
+++ b/omnia/leds.py
@@ -1,3 +1,4 @@
+from __future__ import annotations
 from dataclasses import dataclass
 from pathlib import Path
 from typing import Optional, Union