Fix country code for PyCon Australia 2017

Author: egeakman

2017.csv

@@ -15,7 +15,7 @@ PyCon Israel,2017-06-11,2017-06-14,"Ramat Gan, Tel Aviv, Israel",ISR,,,,http://i
 EuroPython,2017-07-09,2017-07-16,"Rimini, Emilia-Romagna, Italy",ITA,,2017-04-16,2017-04-16,https://ep2017.europython.eu,https://ep2017.europython.eu/en/call-for-proposals,https://ep2017.europython.eu/en/sponsor/packages
 PyCon Russia,2017-07-16,2017-07-17,"Moscow, Central Federal District, Russia",RUS,,2017-06-12,2017-06-12,http://pycon.ru/2017,,http://pycon.ru/2017/en/partners/join
 PyOhio,2017-07-29,2017-07-30,"Columbus, Ohio, United States of America",USA,The Ohio Union,2017-05-25,2017-05-25,https://www.pyohio.org,https://www.pyohio.org/call-for-proposals,https://www.pyohio.org/sponsors/prospectus
-PyCon Australia,2017-08-03,2017-08-08,"Melbourne, Victoria, Australia",AUT,Melbourne Convention and Exhibition Centre,2017-05-07,2017-05-07,https://pycon-au.org,https://pycon-au.org/program/cfp,https://2017.pycon-au.org/sponsorship.pdf
+PyCon Australia,2017-08-03,2017-08-08,"Melbourne, Victoria, Australia",AUS,Melbourne Convention and Exhibition Centre,2017-05-07,2017-05-07,https://pycon-au.org,https://pycon-au.org/program/cfp,https://2017.pycon-au.org/sponsorship.pdf
 PyBay,2017-08-10,2017-08-13,"San Francisco, California, United States of America",USA,,2017-06-10,2017-06-10,http://pybay.com,https://pybay.com/cfp,http://pybay.com/sponsors
 PyCon Korea,2017-08-12,2017-08-15,"Seoul, Seoul Capital Area, South Korea",KOR,,2017-05-27,2017-05-27,https://www.pycon.kr/2017,https://www.pycon.kr/2017/en/cfp/cfp,https://www.pycon.kr/2017/en/about/sponsorship
 DjangoCon US,2017-08-13,2017-08-18,"Spokane, Washington, United States of America",USA,,2017-04-11,2017-04-11,https://2017.djangocon.us,https://2017.djangocon.us/speaking,https://2017.djangocon.us/sponsors/information