A significant amount of code and a configuration change was just made to this website. The primary change was a migration from Python 2.7 to version 3.6. I suspect there will be some breakage, so please do report any issues you find. I have already noticed that certain autoplot applications are much faster now, so hopefully this change remains positive.
This change was necessary to better support the current Python ecosystem, which is rapidly moving toward Python 3 only support.