docs: def _download_wrapper(self, url, *args, **kwargs):
          """
          Actual download call. Calls the underlying file downloader,
          catches all exceptions and returns the result.
          """
          try:
              return url, self._file_downloader.download(url, *args, **kwargs)
          except Exception as e:
              logging.error("AbstractDownloader: %s", traceback.format_exc())
              return url, e