code: def _download_chunk_with_retries(self, chunk_offset, chunk_size,
                                       retries=3, retry_wait=1):
          
          import azure
          while True:
              try:
                  chunk = self._download_chunk(chunk_offset, chunk_size)
              except azure.WindowsAzureError:
                  if retries > 0:
                      retries = retries - 1
                      time.sleep(retry_wait)
                  else:
                      raise
              else:
                  return chunk
docs: Reads or downloads the received blob from the system.