code: def download(datapath):
      ddir = os.path.join(get_model_dir(datapath), "msc")
      model_type = "summsc_rag3B"
      version = "v0.1"
      if not built(os.path.join(ddir, model_type), version):
          opt = {"datapath": datapath, "model_type": model_type}
          fnames = [f"model_{version}.tar.gz"]
          download_models(
              opt, fnames, "msc", 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