code: def build_dataset(image_set, args):
      if args.dataset_file == "coco":
          return build_coco(image_set, args)
      if args.dataset_file == "coco_panoptic":
          # to avoid making panopticapi required for coco
          from .coco_panoptic import build as build_coco_panoptic
  
          return build_coco_panoptic(image_set, args)
      raise ValueError(f"dataset {args.dataset_file} not supported")
  
imports: import torch.utils.data
  import torchvision
  from .coco import build
label_desc: Use image node_id 2 for calling a global function with example usage: build_dataset(image_set, args) and returns: build_coco, build_coco_panoptic