def I(self):
        if self.timezone and self.timezone.dst(self.data):
            return u'1'
        else:
            return u'0'
Copy the given set of messages to the destination mailbox.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/utils/dateformat.py/DateFormat.I--crossover with--dataset/ETHPy150Open scanner/asimap/asimap/client.py/Authenticated.do_copy