votes: dont die trying to add a list and None if one chamber has an error getting the vote list
votes: dont die trying to add a list and None if one chamber has an error getting the vote list

chriscondon/billtext,Nolawee/congress,boblannon/congress,chriscondon/billtext,Nolawee/congress,boblannon/congress,unitedstates/congress,unitedstates/congress