skip doctest to ignore npy<13 formatting issues
skip doctest to ignore npy<13 formatting issues

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