Updated astropy_helpers version (with fix to skip_2to3)
Updated astropy_helpers version (with fix to skip_2to3)

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