def _fetch_sheet(self):
        try:
            gdocs_url = gdocs_format.format(key=self.key)
            if self.gid:
                gdocs_url += '&gid={}'.format(self.gid)
            response = requests.get(gdocs_url)
            response.raise_for_status()
            return force_str(response.content)
        except requests.HTTPError as exp:
            logger.error(exp % 'Error fetching spreadsheet: %s')
            return force_str('')
dataset/ETHPy150Open georgewhewell/django-sheets/sheets/templatetags/sheets.py/Sheet._fetch_sheet/swapped operands of `%`