But if you specify a URL for sage -f http://url/for/sage-mode-0.7.spkg, that should work fine. I couldn't find a Trac ticket for upgrading it to 0.7, though.
But if you specify a URL for sage -f http://url/for/sage-mode-0.7.spkg, that should work fine. I couldn't find a I've opened Trac ticket 13176 for upgrading it the optional spkg to 0.7, though.this.