
Dispatcher.get_module_instance returns None on failure. If that is the case, the dispatcher should not try to register the None value as a module. Change-Id: Ie33b8debc2a829d480d56cafc1eb0ab610181d67 Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/31713 Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de> Reviewed-by: Alexander Zaft <a.zaft@fz-juelich.de> Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>