code: def download(datapath):
      opt = {"datapath": datapath}
      fnames = ["model.tgz"]
      opt["model_type"] = "tfidf_retriever"  # for builder
      download_models(
          opt, fnames, "wikipedia_full", use_model_type=True
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: download(datapath) without return types