code: def download(datapath):
      ddir = os.path.join(get_model_dir(datapath), "hallucination")
      version = "v1.0"
      if not built(ddir, version):
          opt = {"datapath": datapath, "model_type": "wow_passages"}
          fnames = [
              "wow_articles.paragraphs.tgz",
              "exact.tgz",
              "compressed.tgz",
          ]
          download_models(
              opt,
              fnames,
              "hallucination",
              version=version,
              use_model_type=True,
          )
  
label_desc: Use image node_id 1 for calling a global function with example usage: download(datapath) without return types