code: def forward(self, x: torch.Tensor) -> torch.Tensor:
      return self.model(x)
  
file_path: alibi-detect/alibi_detect/cd/pytorch/preprocess.py
imports: from typing import Callable, Dict, Optional, Type, Union
  import numpy
  import torch
  import torch.nn
  from alibi_detect.utils.pytorch.prediction import predict_batch, predict_batch_transformer
  from alibi_detect.utils._types import TorchDeviceType
label_desc: Use image node_id 2 for calling the HiddenOutput obj's underlying member method code with example usage: obj.forward(x) and returns: self