Fixed regression in NOMINATE decorate code that broke plot on Congress page.
Fixed regression in NOMINATE decorate code that broke plot on Congress page.


Former-commit-id: ee1a19857020b98e1df90ce62fe4ccb46a17d60d
JeffreyBLewis/WebVoteView,JeffreyBLewis/WebVoteView,JeffreyBLewis/WebVoteView,JeffreyBLewis/WebVoteView