Update WTForms packages
Update WTForms packages

fixes #1730

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