Remove unused import
Remove unused import

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