#2699 enable traceback for ObjectDoesNotExist
#2699 enable traceback for ObjectDoesNotExist

lino-framework/lino,lino-framework/lino,lino-framework/lino,lsaffre/lino,lino-framework/lino,lino-framework/lino,lsaffre/lino,lsaffre/lino,lsaffre/lino,lsaffre/lino