Gnome-applet-sensors, was blocked from koji, because it has been inactive for some time. However it has been re-reviewed now[1] and we need to enable the koji builds
[1] https://bugzilla.redhat.com/show_bug.cgi?id=772432
Wrong trac. ;)
You want the rel-eng one for unblocking packages...
https://fedorahosted.org/rel-eng/newticket