Specifically with Webfaction, that's exactly what's going on; it has to do with the particulars of their typical Django setup on the shared hosting. (I've had

Specifically with Webfaction, that's exactly what's going on; it has to do with the particulars of their typical Django setup on the shared hosting. (I've had the same "Bad Gateway" errors from PHP sites at Webfaction... it's very much a server setup issue, not anything to do with the code it's running.