diff --git a/lightglue/dog_hardnet.py b/lightglue/dog_hardnet.py
index 2fc606a..9d83c6d 100644
--- a/lightglue/dog_hardnet.py
+++ b/lightglue/dog_hardnet.py
@@ -3,9 +3,9 @@
 import cv2
 import numpy as np
 import torch
-from packaging import version
 from kornia.color import rgb_to_grayscale
 from kornia.feature import laf_from_center_scale_ori, LAFDescriptor, HardNet
+from packaging import version
 from .utils import Extractor
 
 try: