Remove some redundancy in the imports
Remove some redundancy in the imports

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