Use correct distance unit in case of empty coordinate lists
Use correct distance unit in case of empty coordinate lists

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