Fix doc build by using an approach that will get unicode attributes on modules correctly on Python 2.x
Fix doc build by using an approach that will get unicode attributes on modules correctly on Python 2.x

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