Error handling improvement to vote probability, fixes #88
Error handling improvement to vote probability, fixes #88


Former-commit-id: cc9f1ac0220fb4f24753102b8652863e254f7bf4
JeffreyBLewis/WebVoteView,JeffreyBLewis/WebVoteView,JeffreyBLewis/WebVoteView,JeffreyBLewis/WebVoteView