Do not scale data
Do not scale data

When adding the checksum and "updating" a file do not scale the image data.
aleksandr-bakanov/astropy,funbaker/astropy,pllim/astropy,larrybradley/astropy,dhomeier/astropy,bsipocz/astropy,StuartLittlefair/astropy,funbaker/astropy,DougBurke/astropy,AustereCuriosity/astropy,kelle/astropy,pllim/astropy,aleksandr-bakanov/astropy,funbaker/astropy,larrybradley/astropy,bsipocz/astropy,aleksandr-bakanov/astropy,kelle/astropy,saimn/astropy,mhvk/astropy,stargaser/astropy,joergdietrich/astropy,StuartLittlefair/astropy,lpsinger/astropy,StuartLittlefair/astropy,stargaser/astropy,joergdietrich/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,astropy/astropy,tbabej/astropy,tbabej/astropy,saimn/astropy,tbabej/astropy,mhvk/astropy,MSeifert04/astropy,dhomeier/astropy,saimn/astropy,AustereCuriosity/astropy,kelle/astropy,astropy/astropy,joergdietrich/astropy,kelle/astropy,mhvk/astropy,astropy/astropy,lpsinger/astropy,mhvk/astropy,pllim/astropy,DougBurke/astropy,funbaker/astropy,joergdietrich/astropy,MSeifert04/astropy,lpsinger/astropy,lpsinger/astropy,tbabej/astropy,stargaser/astropy,lpsinger/astropy,pllim/astropy,bsipocz/astropy,AustereCuriosity/astropy,dhomeier/astropy,larrybradley/astropy,kelle/astropy,dhomeier/astropy,dhomeier/astropy,AustereCuriosity/astropy,MSeifert04/astropy,bsipocz/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,MSeifert04/astropy,saimn/astropy,larrybradley/astropy,astropy/astropy,tbabej/astropy,mhvk/astropy,saimn/astropy,pllim/astropy,AustereCuriosity/astropy,stargaser/astropy,DougBurke/astropy,astropy/astropy,joergdietrich/astropy,DougBurke/astropy