code: def forward(self, feature: Any):
      if isinstance(feature, IdListFeature):
          return feature.id_list
      else:
          return feature
  
file_path: pytorch/test/package/package_a/fake_script_class.py
imports: from typing import Any
  import torch
label_desc: Use image node_id 1 for calling the UsesIdListFeature obj's underlying member method code with example usage: obj.forward(feature) and returns: feature, feature