changed solution to use already-existing code for all py 2.x
changed solution to use already-existing code for all py 2.x

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