code: def test_fast_tokenizer(self):
      aug = naw.ContextualWordEmbsAug(
          model_path="blinoff/roberta-base-russian-v0",
          force_reload=True,
      )
      aug.augment(
          "Мозг — это машина  которая пытается снизить ошибку в прогнозе."
      )
      self.assertTrue(True)
  
imports: import unittest
  import os
  from dotenv import load_dotenv
  import torch
  import nlpaug.augmenter.word
  import nlpaug.model.lang_models
label_desc: Use image node_id 7 for calling the TestContextualWordEmbsAug obj's underlying member method code with example usage: obj.test_fast_tokenizer() without return types