code: def cls_forward(self, data) -> torch.Tensor:
      return self.cls_decode(self.cls_encode(data))
  
imports: import copy
  import logging
  import typing
  import torch
  import torch.nn.functional
  from copy import deepcopy
  from autogl.module.hpo.auto_module import AutoModule
label_desc: Use image node_id 4 for calling the _ClassificationModel obj's underlying member method code with example usage: obj.cls_forward(data) and returns: self