docstr: Fuzzy deletion
docstr_tok: ["Fuzzy","deletion"]
code: def test_extract_deletion(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,
      )
  
file_path: flashtext/test/test_extract_fuzzy.py
imports: from flashtext import KeywordProcessor
  import logging
  import unittest
label_desc: Use image node_id 3 for calling the TestExtractFuzzy obj's underlying member method code with example usage: obj.test_extract_deletion() without return types