def _create_candle(self, index):
    candle = Candle(index)
    self.candles.append(candle)

    def o(response):
        candle.open = response.result

    def h(response):
        candle.high = response.result

    def l(response):
        candle.low = response.result

    def c(response):
        candle.close = response.result

    def v(response):
        candle.volume = response.result

    def t(response):
        candle.time = response.result

    self._api.send("O", lambda response: candle.open = response.result, self._ds_id, index)  # не работает
    self._api.send("H", h, self._ds_id, index)
    self._api.send("L", l, self._ds_id, index)
    self._api.send("C", c, self._ds_id, index)
    self._api.send("V", v, self._ds_id, index)
    self._api.send("T", t, self._ds_id, index)