code: def _get_iou_types(model):
      model_without_ddp = model
      if isinstance(model, torch.nn.parallel.DistributedDataParallel):
          model_without_ddp = model.module
      iou_types = ["bbox"]
      return iou_types
  
file_path: deep-learning-for-image-processing/pytorch_object_detection/ssd/train_utils/train_eval_utils.py
imports: import math
  import sys
  import time
  import torch
  from train_utils import get_coco_api_from_dataset, CocoEvaluator
  import train_utils.distributed_utils
label_desc: Use image node_id 3 for calling a global function with example usage: _get_iou_types(model) and returns: iou_types