def _fill(self):
        data = {}
        zone_tab = open_resource('zone.tab')
        for line in zone_tab:
            if line.startswith('#'):
                continue
            code, coordinates, zone = line.split(None, 4)[:3]
            if all_timezones not in zone:
                continue
            try:
                data[code].append(zone)
            except KeyError:
                data[code] = [zone]
        self.data = data
dataset/ETHPy150Open davemerwin/blue-channel/external_apps/pytz/__init__.py/_CountryTimezoneDict._fill/swapped operands of `not in`