code: def torch_xor_(self, a, b):
      return (a - b).abs()
  
imports: import torch
  import torchvision
  from PIL import Image
  from torch.utils.data import TensorDataset
  from torchvision import transforms
  from torchvision.datasets import MNIST
  from torchvision.transforms.functional import rotate
  from dowhy.causal_prediction.datasets.base_dataset import MultipleDomainDataset
label_desc: Use image node_id 6 for calling the MNISTCausalIndAttribute obj's underlying member method code with example usage: obj.torch_xor_(a, b) and returns: unknown