OK, after a bit more poking I've come to the conclusion that we should not edit device_type ever.
Fortunately there's no real state in a device_type so we can add a type, move all references over to the new type and then delete the old one -- but do this using psql, not django.
OK, after a bit more poking I've come to the conclusion that we should not edit device_type ever.
Fortunately there's no real state in a device_type so we can add a type, move all references over to the new type and then delete the old one -- but do this using psql, not django.