code: def forward(
      self, x: torch.Tensor
  ) -> Union[torch.Tensor, Tuple[torch.Tensor, torch.Tensor]]:
      out = self.dense(x)
      if not self.multi_out:
          return out
      else:
          return out, out
  
file_path: alibi-detect/alibi_detect/utils/pytorch/tests/test_prediction_pt.py
imports: import numpy
  import pytest
  import torch
  import torch.nn
  from typing import Tuple, Union
  from alibi_detect.utils.pytorch import predict_batch
label_desc: Use image node_id 2 for calling the MyModel obj's underlying member method code with example usage: obj.forward(x) and returns: out, out,  out