fix for deprecated self.naxis1/2
fix for deprecated self.naxis1/2

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