def save(self, *args, **kwds):
site = Site.objects.get(id=self.site.id)
- if not self.name.startswith(site.login_base):
+ # allow preexisting slices to keep their original name for now
+ if not self.id and not self.name.startswith(site.login_base):
raise ValidationError('slice name must begin with %s' % site.login_base)
if self.serviceClass is None: