def download(self, days=<NUM_LIT>):
days_ago = datetime.datetime.now() - datetime.timedelta(days=days)<EOL>as_of = time.strftime("<STR_LIT>", days_ago.timetuple())<EOL>query = self._download_query(as_of=as_of)<EOL>response = self.institution.client().post(query)<EOL>return StringIO(response)<EOL>
Downloaded OFX response for the given time range

        :param days: Number of days to look back at
        :type days: integer
        :rtype: :py:class:`StringIO`