code: def from_kitti(
      batch_size: int = 4,
      **data_module_kwargs,
  ) -> PointCloudObjectDetectorData:
      """Downloads and loads the KITTI data set."""
      download_data(
          "https://pl-flash-data.s3.amazonaws.com/KITTI_tiny.zip",
          "data/",
      )
      return PointCloudObjectDetectorData.from_folders(
          train_folder="data/KITTI_Tiny/Kitti/train",
          val_folder="data/KITTI_Tiny/Kitti/val",
          batch_size=batch_size,
          **data_module_kwargs,
      )
  
imports: from flash.core.data.utils import download_data
  from flash.core.utilities.flash_cli import FlashCLI
  from flash.pointcloud import PointCloudObjectDetector, PointCloudObjectDetectorData
label_desc: Use image node_id 1 for calling a global function with example usage: from_kitti(batch_size) and returns: PointCloudObjectDetectorData