fix line continuation in doctest
fix line continuation in doctest

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