diff --git a/src/lerobot/datasets/lerobot_dataset.py b/src/lerobot/datasets/lerobot_dataset.py
index af53bb87f..ea1cfc424 100644
--- a/src/lerobot/datasets/lerobot_dataset.py
+++ b/src/lerobot/datasets/lerobot_dataset.py
@@ -624,8 +624,8 @@ class LeRobotDataset(torch.utils.data.Dataset):
         image_writer_processes: int = 0,
         image_writer_threads: int = 0,
         video_backend: str | None = None,
-        camera_encoder_config: VideoEncoderConfig | None = None,
         batch_encoding_size: int = 1,
+        camera_encoder_config: VideoEncoderConfig | None = None,
         metadata_buffer_size: int = 10,
         streaming_encoding: bool = False,
         encoder_queue_maxsize: int = 30,
diff --git a/src/lerobot/datasets/pyav_utils.py b/src/lerobot/datasets/pyav_utils.py
index 4f18b5dec..c13c66b89 100644
--- a/src/lerobot/datasets/pyav_utils.py
+++ b/src/lerobot/datasets/pyav_utils.py
@@ -113,21 +113,19 @@ def _check_option_value(vcodec: str, label: str, value: Any, opt: av.option.Opti
         # Check numeric range compatibility
         lo, hi = float(opt.min), float(opt.max)
         if lo < hi and not (lo <= num_val <= hi):
-            raise ValueError(f"{label}={num_val} is out of range for codec {vcodec!r}; must be in [{lo}, {hi}]")
+            raise ValueError(
+                f"{label}={num_val} is out of range for codec {vcodec!r}; must be in [{lo}, {hi}]"
+            )
 
     elif type_name == "STRING":
         if isinstance(value, bool):
-            raise ValueError(
-                f"{label}={value!r} is not a valid string value for codec {vcodec!r}."
-            )
+            raise ValueError(f"{label}={value!r} is not a valid string value for codec {vcodec!r}.")
         if isinstance(value, str):
             str_val = value
         elif isinstance(value, (int, float)):
             str_val = str(value)
         else:
-            raise ValueError(
-                f"{label}={value!r} has unsupported type for STRING option on codec {vcodec!r}"
-            )
+            raise ValueError(f"{label}={value!r} has unsupported type for STRING option on codec {vcodec!r}")
 
         # Check string choice compatibility
         choices = [c.name for c in (opt.choices or [])]
@@ -149,9 +147,7 @@ def _check_pixel_format(vcodec: str, pix_fmt: str) -> None:
         )
 
 
-def _check_codec_options(
-    vcodec: str, codec_options: dict[str, Any], config: VideoEncoderConfig
-) -> None:
+def _check_codec_options(vcodec: str, codec_options: dict[str, Any], config: VideoEncoderConfig) -> None:
     """Validate merged encoder options (typed) against the codec's published AVOptions."""
     supported_options = _get_codec_options_by_name(vcodec)
     for key, value in codec_options.items():
diff --git a/src/lerobot/datasets/video_utils.py b/src/lerobot/datasets/video_utils.py
index e3ab200e2..244c7d8c3 100644
--- a/src/lerobot/datasets/video_utils.py
+++ b/src/lerobot/datasets/video_utils.py
@@ -73,10 +73,10 @@ class VideoEncoderConfig:
             codec (``crf`` for software, ``qp`` for NVENC/VAAPI,
             ``q:v`` for VideoToolbox, ``global_quality`` for QSV).
         preset: Speed/quality preset. Accepted type is per-codec.
-        fast_decode: Fast-decode tuning. For ``libsvtav1`` this is a level (0-2) 
-            embedded in ``svtav1-params``. For ``h264`` and ``hevc`` non-zero values 
+        fast_decode: Fast-decode tuning. For ``libsvtav1`` this is a level (0-2)
+            embedded in ``svtav1-params``. For ``h264`` and ``hevc`` non-zero values
             set ``tune=fastdecode``. Ignored for other codecs.
-        video_backend: Python library driving FFmpeg for encoding. Only ``"pyav"`` 
+        video_backend: Python library driving FFmpeg for encoding. Only ``"pyav"``
             is currently supported.
         extra_options: Free-form dictionary of additional FFmpeg options
             (e.g. ``{"tune": "film", "profile:v": "high", "bf": 2}``).
@@ -139,15 +139,17 @@ class VideoEncoderConfig:
             return
         raise ValueError(f"Unsupported video codec: {self.vcodec} with video backend {self.video_backend}")
 
-    def get_codec_options(self, encoder_threads: int | None = None, as_strings: bool = False) -> dict[str, str]:
+    def get_codec_options(
+        self, encoder_threads: int | None = None, as_strings: bool = False
+    ) -> dict[str, str]:
         """Translate the tuning fields to codec-specific FFmpeg options.
 
         ``VideoEncoderConfig.extra_options`` are merged last but never override a structured field.
 
         Args:
-            encoder_threads: Number of encoder threads set globally for all VideoEncoderConfigs. 
-                For libsvtav1, this is mapped to ``lp`` via ``svtav1-params``. 
-                For h264/hevc, this is mapped to ``threads``. 
+            encoder_threads: Number of encoder threads set globally for all VideoEncoderConfigs.
+                For libsvtav1, this is mapped to ``lp`` via ``svtav1-params``.
+                For h264/hevc, this is mapped to ``threads``.
                 Hardware encoders ignore this parameter.
             as_strings: If ``True``, casts values to strings.
         """
@@ -165,7 +167,7 @@ class VideoEncoderConfig:
             set_if("preset", self.preset)
             svtav1_parts: list[str] = []
             if self.fast_decode is not None:
-                svtav1_parts.append(f"fast-decode={max(0, min(2, self.fast_decode))}")         
+                svtav1_parts.append(f"fast-decode={max(0, min(2, self.fast_decode))}")
             if encoder_threads is not None:
                 svtav1_parts.append(f"lp={encoder_threads}")
             if svtav1_parts:
diff --git a/src/lerobot/scripts/lerobot_record.py b/src/lerobot/scripts/lerobot_record.py
index 94ee2a0d9..b571bd5c3 100644
--- a/src/lerobot/scripts/lerobot_record.py
+++ b/src/lerobot/scripts/lerobot_record.py
@@ -105,10 +105,8 @@ from lerobot.configs import parser
 from lerobot.configs.dataset import DatasetRecordConfig
 from lerobot.datasets import (
     LeRobotDataset,
-    VideoEncoderConfig,
     VideoEncodingManager,
     aggregate_pipeline_dataset_features,
-    camera_encoder_defaults,
     create_initial_features,
     safe_stop_image_writer,
 )