Fix failing doctest
Fix failing doctest
bsipocz/astropy,stargaser/astropy,mhvk/astropy,aleksandr-bakanov/astropy,bsipocz/astropy,pllim/astropy,saimn/astropy,StuartLittlefair/astropy,lpsinger/astropy,saimn/astropy,pllim/astropy,dhomeier/astropy,dhomeier/astropy,mhvk/astropy,StuartLittlefair/astropy,bsipocz/astropy,astropy/astropy,mhvk/astropy,astropy/astropy,bsipocz/astropy,saimn/astropy,StuartLittlefair/astropy,stargaser/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,larrybradley/astropy,pllim/astropy,MSeifert04/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,pllim/astropy,MSeifert04/astropy,astropy/astropy,stargaser/astropy,larrybradley/astropy,MSeifert04/astropy,StuartLittlefair/astropy,saimn/astropy,stargaser/astropy,astropy/astropy,astropy/astropy,larrybradley/astropy,mhvk/astropy,aleksandr-bakanov/astropy,saimn/astropy,mhvk/astropy,MSeifert04/astropy,lpsinger/astropy,dhomeier/astropy,larrybradley/astropy,dhomeier/astropy,larrybradley/astropy,dhomeier/astropy,lpsinger/astropy,pllim/astropy,lpsinger/astropy