code: def _load_get_attr(self, name):
          'Return an internal attribute after ensuring the headers is loaded if necessary.'
          if self._mode in _allowed_read and self._N is None:
              self._read_header()
          return getattr(self, namef _load_get_attr(self, name):
          'Return an internal attribute after ensuring the headers is loaded if necessary.'
          if self._mode in _allowed_read and self._N is None:
              self._read_header()
          return getattr(self, name)
docs: Return an internal attribute after ensuring the headers is loaded if necessary.