Check for None return value in email_sender
Check for None return value in email_sender

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