docs: def export(self, container, chunk_size=DEFAULT_DATA_CHUNK_SIZE):
          """
          Export the contents of a filesystem as a tar archive.
  
          Args:
              container (str): The container to export
              chunk_size (int): The number of bytes returned by each iteration
                  of the generator. If ``None``, data will be streamed as it is
                  received. Default: 2 MB
  
          Returns:
              (generator): The archived filesystem data stream
  
          Raises:
              :py:class:`docker.errors.APIError`
                  If the server returns an error.
          """
          res = self._get(
              self._url("/containers/{0}/export", container), stream=True
          )
          return self._stream_raw_result(res, chunk_size, False)