def get_multiple_prices(self, instrument_code: str) -> futuresMultiplePrices:
        if self.is_code_in_data(instrument_code):
            multiple_prices= self._get_multiple_prices_without_checking(instrument_code)
        else:
            multiple_prices= futuresMultiplePrices.create_empty()

        return multiple_prices
    def _read_instrument_prices(self, instrument_code: str) -> pd.DataFrame:
        filename = self._filename_given_instrument_code(instrument_code)

        try:
            instr_all_price_data = pd_readcsv(filename,
                                              date_index_name=DATE_INDEX_NAME)
        except OSError:
            self.log.warning(
                "Can't find multiple price file %s or error reading" %
                filename,
                instrument_code=instrument_code)
            return futuresMultiplePrices.create_empty()

        return instr_all_price_data