edc1be55d3a858213b77a2e6b7692014cc2b3039,optuna/_study_summary.py,StudySummary,direction,#StudySummary#Any#,89

Before Change

        if isinstance(d, Sequence):
            d = tuple(d)
            if len(d) == 1:
                self._direction = d[0]
            else:
                self._direction = d
        else:
            self._direction = d

After Change

    @direction.setter
    def direction(self, d: StudyDirection) -> None:

        if len(self._directions) > 1:
            raise RuntimeError(
                "This attribute is not available for the multi-objective optimization."
            )

        self._directions = (d,)

    @property
    def directions(self) -> Sequence[StudyDirection]:

Instances