def METHOD_NAME(self):
    """
    Fuzzy deletion
    """
    keyword_proc = KeywordProcessor()
    for keyword in (("skype", "messenger"),):
        keyword_proc.add_keyword(*keyword)
    sentence = "hello, do you have skpe ?"
    extracted_keywords = [("messenger", 19, 23)]
    self.assertEqual(
        keyword_proc.extract_keywords(sentence, span_info=True, max_cost=1),
        extracted_keywords,
    )