diff --git a/beltmap/yolo_recurrence_key_patch.py b/beltmap/yolo_recurrence_key_patch.py
index 0a398a7..d2cc6e5 100644
--- a/beltmap/yolo_recurrence_key_patch.py
+++ b/beltmap/yolo_recurrence_key_patch.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import math
-from collections.abc import Sequence
 from typing import Any, Mapping
 
 from PIL import Image