code: def initSearch(self) -> None:
      self._index.initSearch()
  
file_path: dedupe/dedupe/tfidf.py
imports: import logging
  from typing import List, Tuple
  from dedupe.canopy_index import CanopyIndex
  from dedupe.core import Enumerator
  from dedupe.index import Index
label_desc: Use image node_id 4 for calling the TfIdfIndex obj's underlying member method code with example usage: obj.initSearch() without return types