code: def execute(self, argv: List) -> bool:
      if not argv:
          print("ERROR: You must give at least one module to download.")
          return False
  
      for _arg in argv:
          result = module_server.search_module(_arg)
          CacheUpdater("hub_download", _arg).start()
          if result:
              url = result[0]["url"]
              with log.ProgressBar("Download {}".format(url)) as bar:
                  for file, ds, ts in utils.download_with_progress(url):
                      bar.update(float(ds) / ts)
          else:
              print(
                  "ERROR: Could not find a HubModule named {}".format(
                      _arg
                  )
              )
      return True
  
file_path: PaddleHub/paddlehub/commands/download.py
imports: from typing import List
  import paddlehub
  from paddlehub.commands import register
  from paddlehub.server import module_server
  from paddlehub.utils import utils, log
  from paddlehub.server.server import CacheUpdater
label_desc: Use image node_id 1 for calling the DownloadCommand obj's underlying member method code with example usage: obj.execute(argv) and returns: True, False