Fix a regression in creating votable from astropy table
Fix a regression in creating votable from astropy table

kelle/astropy,MSeifert04/astropy,lpsinger/astropy,AustereCuriosity/astropy,StuartLittlefair/astropy,bsipocz/astropy,tbabej/astropy,lpsinger/astropy,mhvk/astropy,bsipocz/astropy,AustereCuriosity/astropy,mhvk/astropy,lpsinger/astropy,kelle/astropy,dhomeier/astropy,DougBurke/astropy,DougBurke/astropy,AustereCuriosity/astropy,joergdietrich/astropy,kelle/astropy,saimn/astropy,dhomeier/astropy,kelle/astropy,aleksandr-bakanov/astropy,astropy/astropy,larrybradley/astropy,larrybradley/astropy,joergdietrich/astropy,larrybradley/astropy,tbabej/astropy,AustereCuriosity/astropy,joergdietrich/astropy,StuartLittlefair/astropy,stargaser/astropy,MSeifert04/astropy,bsipocz/astropy,mhvk/astropy,pllim/astropy,aleksandr-bakanov/astropy,aleksandr-bakanov/astropy,larrybradley/astropy,larrybradley/astropy,pllim/astropy,stargaser/astropy,tbabej/astropy,StuartLittlefair/astropy,tbabej/astropy,funbaker/astropy,StuartLittlefair/astropy,lpsinger/astropy,pllim/astropy,StuartLittlefair/astropy,funbaker/astropy,AustereCuriosity/astropy,lpsinger/astropy,mhvk/astropy,funbaker/astropy,dhomeier/astropy,saimn/astropy,DougBurke/astropy,dhomeier/astropy,bsipocz/astropy,astropy/astropy,stargaser/astropy,pllim/astropy,astropy/astropy,dhomeier/astropy,saimn/astropy,MSeifert04/astropy,astropy/astropy,DougBurke/astropy,saimn/astropy,stargaser/astropy,MSeifert04/astropy,mhvk/astropy,aleksandr-bakanov/astropy,joergdietrich/astropy,pllim/astropy,tbabej/astropy,funbaker/astropy,saimn/astropy,astropy/astropy,kelle/astropy,joergdietrich/astropy