Don't use getValue() in ZODB importer
Don't use getValue() in ZODB importer

Using methods of legacy objects there is unsafe because they will
eventually be removed and the migrations still need to work.

ThiefMaster/indico,DirkHoffmann/indico,DirkHoffmann/indico,mvidalgarcia/indico,ThiefMaster/indico,OmeGak/indico,indico/indico,mic4ael/indico,mvidalgarcia/indico,mic4ael/indico,OmeGak/indico,DirkHoffmann/indico,ThiefMaster/indico,indico/indico,pferreir/indico,mic4ael/indico,indico/indico,OmeGak/indico,indico/indico,pferreir/indico,mvidalgarcia/indico,pferreir/indico,OmeGak/indico,pferreir/indico,mic4ael/indico,DirkHoffmann/indico,mvidalgarcia/indico,ThiefMaster/indico