code: def closed(self, warning_on=CLOSED_WARNING_ON):
          
          mes = ("This attribute is deprecated, consider using isclosed() "
                 "method instead.\n\nThis attribute is kept for compatibility "
                 "with scripts created using svg.path (v2.0). You can prevent "
                 "this warning in the future by setting "
                 "CLOSED_WARNING_ON=False.")
          if warning_on:
              warn(mes)
          return self._closed and self._is_closable()
docs: The closed attribute is deprecated, please use the isclosed()
          method instead.  See _closed_warning for more information.