code: def forward(self, image1, image2):
      return self.model(image1, image2)
  
imports: from typing import Callable, NamedTuple, Optional
  import torch
  import torch.nn
  from torch import Tensor
  import neuralcompression.functional
label_desc: Use image node_id 2 for calling the DvcStage4and5 obj's underlying member method code with example usage: obj.forward(image1, image2) and returns: self