code: def test_forward(self, model, tokens, labels):
      output = model(**tokens, labels=labels).logits
      print("forward:", output)
      print()
      assert isinstance(output, torch.Tensor)
  
file_path: parallelformers/tests/token_classification.py
imports: import os
  import unittest
  from argparse import ArgumentParser
  import torch
  from transformers import AutoModelForTokenClassification, AutoTokenizer
  from parallelformers import parallelize
label_desc: Use image node_id 1 for calling the TestForTokenClassification obj's underlying member method code with example usage: obj.test_forward(model, tokens, labels) without return types