Don't include cextern
Don't include cextern

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