nit

src/lerobot/datasets/lerobot_dataset.py

@@ -17,8 +17,8 @@ import contextlib
 import logging
 import shutil
 import tempfile
-from pathlib import Path
 from collections.abc import Callable
+from pathlib import Path
 
 import datasets
 import numpy as np

src/lerobot/datasets/sampler.py

@@ -13,7 +13,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from typing import Union
 from collections.abc import Iterator
 
 import torch