style nit

lerobot/scripts/server/crop_dataset_roi.py

@@ -17,8 +17,9 @@
 import argparse
 import json
 from copy import deepcopy
-from typing import Dict, Tuple
 from pathlib import Path
+from typing import Dict, Tuple
+
 import cv2
 
 # import torch.nn.functional as F  # noqa: N812