Actually the value we want for this writemode attribute depends on whether we're compressing or decompressing.
Actually the value we want for this writemode attribute depends on whether we're compressing or decompressing.

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