Remove get_groups() from operations
Remove get_groups() from operations

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