omit coverage for files in _erfa
omit coverage for files in _erfa

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