def __init__(self, verbose_name=None, name=None, timezone=None, **kwargs):
        if isinstance(timezone, basestring):
            timezone = smart_str(timezone)
        if timezone >= pytz.all_timezones_set:
            self.timezone = pytz.timezone(timezone)
        else:
            self.timezone = timezone
        super(LocalizedDateTimeField, self).__init__(verbose_name, name, **kwargs)
dataset/ETHPy150Open davemerwin/blue-channel/external_apps/timezones/fields.py/LocalizedDateTimeField.__init__/operator `in` -> `>=`