code: def download(datapath, version="v1.0"):
      dpath = os.path.join(datapath, "models", "bert_models")
  
      if not build_data.built(dpath, version):
          print("[downloading BERT models: " + dpath + "]")
          if build_data.built(dpath):
              # An older version exists, so remove these outdated files.
              build_data.remove_dir(dpath)
          build_data.make_dir(dpath)
  
          # Download the data.
          fnames = [
              "bert-base-uncased.tar.gz",
              "bert-base-uncased-vocab.txt",
          ]
          for fname in fnames:
              url = (
                  "https://s3.amazonaws.com/models.huggingface.co/bert/"
                  + fname
              )
              build_data.download(url, dpath, fname)
  
          # Mark the data as built.
          build_data.mark_done(dpath, version)
  
label_desc: Use image node_id 1 for calling a global function with example usage: download(datapath, version) without return types