code: def set_heat_pump_feature(self, device_label, feature):
          
          response = None
          try:
              response = requests.put(
                  urls.set_heatpump_feature(self._giid, device_label, feature),
                  headers={
                      'Accept': 'application/json',
                      'Content-Type': 'application/json',
                      'Cookie': 'vid={}'.format(self._vid)})
          except requests.exceptions.RequestException as ex:
              raise RequestError(ex)
          _validate_response(response)
          return json.loads(response.text)
docs: Set heatpump mode
          Args:
              feature: 'QUIET', 'ECONAVI', or 'POWERFUL'