code: def test_remove_commas(self, sent, truth):
      assert _remove_commas(sent) == truth
  
file_path: audio/test/torchaudio_unittest/example/tacotron2/test_text_preprocessing.py
imports: from parameterized import parameterized
  from torchaudio._internal.module_utils import is_module_available
  from torchaudio_unittest.common_utils import skipIfNoModule, TorchaudioTestCase
label_desc: Use image node_id 2 for calling the TestTextPreprocessor obj's underlying member method code with example usage: obj.test_remove_commas(sent, truth) without return types