(self, trial_id: int)
Read the ID of a study to which a trial belongs.

        Args:
            trial_id:
                ID of the trial.

        Returns:
            ID of the study.

        Raises:
            :exc:`KeyError`:
                If no trial with the matching ``trial_id`` exists.
Read the ID of a study to which a trial belongs.
Read the ID of a study to which a trial belongs .
def get_study_id_from_trial_id(self, trial_id: int) -> int:
        """Read the ID of a study to which a trial belongs.

        Args:
            trial_id:
                ID of the trial.

        Returns:
            ID of the study.

        Raises:
            :exc:`KeyError`:
                If no trial with the matching ``trial_id`` exists.
        """
        raise NotImplementedError
def get_study_id_from_trial_id ( self , trial_id : int ) -> int : raise NotImplementedError