assure that extra_data is a dict, needed in compute_result
assure that extra_data is a dict, needed in compute_result

agoravoting/agora-ciudadana,MareAtlantica/agora-ciudadana,joanma100/agora-ciudadana,joanma100/agora-ciudadana,agoravoting/agora-ciudadana,pirata-cat/agora-ciudadana,joanma100/agora-ciudadana,pirata-cat/agora-ciudadana,joanma100/agora-ciudadana,agoravoting/agora-ciudadana,pirata-cat/agora-ciudadana,MareAtlantica/agora-ciudadana,MareAtlantica/agora-ciudadana,MareAtlantica/agora-ciudadana