Fix doctest for upstream change.
Fix doctest for upstream change.

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