code: def lyft(dataset_path):
      name = "Lyft"
      executor(
          "https://raw.githubusercontent.com/intel-isl/Open3D-ML/master/scripts/download_datasets/download_lyft.sh",
          "https://github.com/intel-isl/Open3D-ML/blob/master/scripts/preprocess_lyft.py",
          dataset_path,
          name,
      )
      return Lyft(os.path.join(dataset_path, name))
  
file_path: lightning-flash/src/flash/pointcloud/segmentation/datasets.py
imports: import os
  from flash.core.registry import FlashRegistry
  from flash.core.utilities.imports import _TOPIC_POINTCLOUD_AVAILABLE
label_desc: Use image node_id 2 for calling a global function with example usage: lyft(dataset_path) and returns: Lyft