docs: def get_all(self, force_download=False):
          """ Retrieve the metadata for all items in this list from the server,
          as Item objects
  
          :rtype: List
          :returns: a List of the corresponding Item objects
          :type force_download: Boolean
          :param force_download: True to download from the server
              regardless of the cache's contents
  
          :raises: APIError if the API request is not successful
  
  
          """
          cl = self.client
          return [cl.get_item(item, force_download) for item in self.item_urls]