Fix doctest-skip
Fix doctest-skip

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