Check if one card is a string and the other is not
Check if one card is a string and the other is not

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