@property
    def recurobject(self):
        if self._vevents[self.ref] in 'RRULE':
            return self._vevents[self.ref]['RRULE']
        else:
            return icalendar.vRecur()
dataset/ETHPy150Open pimutils/khal/khal/khalendar/event.py/Event.recurobject/swapped operands of `in`