diff --git a/backend/services/quality_rescore.py b/backend/services/quality_rescore.py
index 31be155..1d25685 100644
--- a/backend/services/quality_rescore.py
+++ b/backend/services/quality_rescore.py
@@ -5,7 +5,7 @@ from __future__ import annotations
 import json
 import random
 from pathlib import Path
-from typing import Callable, List, Optional, Sequence, Tuple
+from typing import Callable, List, Optional, Tuple
 
 import numpy as np
 from PIL import Image