Prevent downloading a file twice when identifying and reading it through the registry system.
Prevent downloading a file twice when identifying and reading it through the registry system.

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