chore(dependencies): add pyrealsense2 for macos + cleanup init camera modules

lerobot/common/cameras/intel/__init__.py

@@ -1,4 +1,2 @@
 from .camera_realsense import RealSenseCamera
 from .configuration_realsense import RealSenseCameraConfig
-
-__all__ = ["RealSenseCamera", "RealSenseCameraConfig"]

lerobot/common/cameras/opencv/__init__.py

@@ -1,4 +1,2 @@
 from .camera_opencv import OpenCVCamera
 from .configuration_opencv import OpenCVCameraConfig
-
-__all__ = ["OpenCVCamera", "OpenCVCameraConfig"]

pyproject.toml

@@ -84,7 +84,10 @@ dora = [
 ]
 dynamixel = ["dynamixel-sdk>=3.7.31"]
 feetech = ["feetech-servo-sdk>=1.0.0"]
-intelrealsense = ["pyrealsense2>=2.55.1.6486 ; sys_platform != 'darwin'"]
+intelrealsense = [
+    "pyrealsense2>=2.55.1.6486 ; sys_platform != 'darwin'",
+    "pyrealsense2-macosx>=2.54 ; sys_platform == 'darwin'",
+]
 pi0 = ["transformers>=4.48.0"]
 pusht = ["gym-pusht>=0.1.5 ; python_version < '4.0'"]
 stretch = [