fix for unicode literals by changing to six.u
fix for unicode literals by changing to six.u

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