code: def test_multi_inputs(self):
      texts = [
          "The quick brown fox jumps over the lazy dog.",
          "The quick brown fox jumps over the lazy dog.",
          "nac KeyboardAug ( tokenizer = text_tokenizer . split_sentence )",
          "nac KeyboardAug ( tokenizer = text_tokenizer . split_sentence )",
      ]
      augs = [
          nac.KeyboardAug(tokenizer=text_tokenizer.split_sentence),
          nac.RandomCharAug(tokenizer=text_tokenizer.split_sentence),
      ]
  
      num_thread = 2
      for aug in augs:
          augmented_data = aug.augment(texts, num_thread=num_thread)
          self.assertEqual(len(augmented_data), len(texts))
  
      num_thread = 1
      for aug in augs:
          augmented_data = aug.augment(texts, num_thread=num_thread)
          self.assertEqual(len(augmented_data), len(texts))
  
file_path: nlpaug/test/augmenter/char/test_char.py
imports: import unittest
  import nlpaug.augmenter.char
  import nlpaug.util.text.tokenizer
  from nlpaug.util import Action
label_desc: Use image node_id 5 for calling the TestCharacter obj's underlying member method code with example usage: obj.test_multi_inputs() without return types