code: def show(self):
          
          resp = ws.ws2811_render(self._leds)
          if resp != 0:
              str_resp = ws.ws2811_get_return_t_str(resp)
              raise RuntimeError('ws2811_render failed with code {0} ({1})'.format(resp, str_resp))
docs: Update the display with the data from the LED buffer.