Fixing sphinx warning
Fixing sphinx warning

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