fix(typos): fixing multiple typos

tests/datasets/test_dataset_tools.py

@@ -23,6 +23,7 @@ import torch
 
 pytest.importorskip("datasets", reason="datasets is required (install lerobot[dataset])")
 
+from lerobot.configs import VideoEncoderConfig
 from lerobot.datasets.dataset_tools import (
     add_features,
     convert_image_to_video_dataset,
@@ -33,7 +34,6 @@ from lerobot.datasets.dataset_tools import (
     remove_feature,
     split_dataset,
 )
-from lerobot.datasets.video_utils import VideoEncoderConfig
 
 
 @pytest.fixture