end of line at end of file and delete unused imports
end of line at end of file and delete unused imports

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