code: def __del__(self) -> None:
      Levenshtein_search.clear_wordset(self.index_key)
  
file_path: dedupe/dedupe/levenshtein.py
imports: from typing import Dict, List
  import Levenshtein_search
  from .core import Enumerator
  from .index import Index
label_desc: Use image node_id 6 for calling the LevenshteinIndex obj's underlying member method code with example usage: obj.__del__() without return types