code: def __call__(self, img: Tensor, target: dict):
      return F.to_tensor(img), target
  
imports: import random
  from typing import List, Optional, Union
  import torch
  import torchvision.transforms
  import torchvision.transforms.functional
  from mmf.common.registry import registry
  from mmf.datasets.processors.processors import BaseProcessor
  from mmf.utils.box_ops import box_xyxy_to_cxcywh
  from torch import Tensor
label_desc: Use image node_id 2 for calling the ToTensor obj's underlying member method code with example usage: obj.__call__(img, target) and returns: F,  target