Fix slow down in Angle.__new__
Fix slow down in Angle.__new__

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