def _round_half_even(self, prec):
        """Round 5 to even, rest to nearest."""
        if _exact_half(self._int, prec) and \
                (prec == 0 or '02468' in self._int[prec-1]):
            return -1
        else:
            return self._round_half_up(prec)
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/decimal.py/Decimal._round_half_even/swapped operands of `in`