Python 3 fix
Python 3 fix

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