verbose_iterator: Fix error in case of no items
verbose_iterator: Fix error in case of no items

indico/indico,indico/indico,pferreir/indico,pferreir/indico,DirkHoffmann/indico,DirkHoffmann/indico,ThiefMaster/indico,indico/indico,pferreir/indico,pferreir/indico,DirkHoffmann/indico,ThiefMaster/indico,ThiefMaster/indico,DirkHoffmann/indico,indico/indico,ThiefMaster/indico