code: def forward(self, *inputs) -> Dict[str, torch.Tensor]:
      return {"class": torch.tensor(98)}
  
file_path: allennlp/tests/commands/no_op_train_test.py
imports: from typing import Dict
  import torch
  from allennlp.commands.train import train_model
  from allennlp.common import Params
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.models import load_archive, Model
label_desc: Use image node_id 1 for calling the ConstantModel obj's underlying member method code with example usage: obj.forward() and returns: dict