def make_csv(self):  # type: () -> None
        """ Make CSV """
        for event in self.cal.subcomponents:
            if event.name != 'VEVENT':
                continue
            row = [
                event.get('SUMMARY'),
                event.get('DTSTART').dt,
                event.get('DTEND').dt,
                event.get('DESCRIPTION'),
                event.get('LOCATION'),
            ]
            row = [str(x) for x in row]
            self.csv_data.append(row)