code: def main(kb_path: str, output_path: str):
      os.makedirs(output_path, exist_ok=True)
      kb = KnowledgeBase(kb_path)
      create_tfidf_ann_index(output_path, kb)
  
imports: import argparse
  import os
  from scispacy.candidate_generation import create_tfidf_ann_index
  from scispacy.linking_utils import KnowledgeBase
label_desc: Use image node_id 1 for calling a global function with example usage: main(kb_path, output_path) without return types