code: def to(self, device):
      super().to(device)
      return self
  
file_path: lightning-flash/src/flash/pointcloud/detection/open3d_ml/backbones.py
imports: import os
  from abc import ABC
  from typing import Callable
  import torch
  from pytorch_lightning.utilities.cloud_io import load
  from flash.core.registry import FlashRegistry
  from flash.core.utilities.imports import _TOPIC_POINTCLOUD_AVAILABLE
  from flash.core.utilities.providers import _OPEN3D_ML
  from flash.core.utilities.url_error import catch_url_error
label_desc: Use image node_id 2 for calling the ObjectDetectBatchCollator obj's underlying member method code with example usage: obj.to(device) and returns: self