def unloop(self):
        """
        Disable time selection looping.

        See also
        --------
        TimeSelection.is_looping
        TimeSelection.loop
        """
        RPR.GetSetRepeatEx(self.project_id, 0)
    def is_looping(self):
        """
        Return whether looping is enabled.

        Returns
        -------
        looping : bool
            Whether looping is enabled.
        """
        is_looping = bool(RPR.GetSetRepeatEx(self.project_id, -1))
        return is_looping