Define _is_unity convenience function
Define _is_unity convenience function

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