Fix save_one_box() (#5545)

* Fix `save_one_box()`

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models/common.py

@@ -18,9 +18,8 @@ from PIL import Image
 from torch.cuda import amp
 
 from utils.datasets import exif_transpose, letterbox
-from utils.general import (colorstr, increment_path, make_divisible, non_max_suppression, save_one_box, scale_coords,
-                           xyxy2xywh)
-from utils.plots import Annotator, colors
+from utils.general import colorstr, increment_path, make_divisible, non_max_suppression, scale_coords, xyxy2xywh
+from utils.plots import Annotator, colors, save_one_box
 from utils.torch_utils import time_sync
 
 LOGGER = logging.getLogger(__name__)