code: def test_contextual_word_embs(self):
      if torch.cuda.is_available():
          self.execute_by_device("cuda")
      self.execute_by_device("cpu")
  
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 10 for calling the TestContextualWordEmbsAug obj's underlying member method code with example usage: obj.test_contextual_word_embs() without return types