convert keys to string before sorting
convert keys to string before sorting

cbowman0/graphite-web,graphite-project/graphite-web,deniszh/graphite-web,cbowman0/graphite-web,drax68/graphite-web,graphite-project/graphite-web,criteo-forks/graphite-web,cbowman0/graphite-web,criteo-forks/graphite-web,drax68/graphite-web,graphite-project/graphite-web,drax68/graphite-web,graphite-project/graphite-web,criteo-forks/graphite-web,graphite-project/graphite-web,criteo-forks/graphite-web,deniszh/graphite-web,drax68/graphite-web,criteo-forks/graphite-web,deniszh/graphite-web,cbowman0/graphite-web,deniszh/graphite-web,criteo-forks/graphite-web,cbowman0/graphite-web,deniszh/graphite-web,graphite-project/graphite-web,drax68/graphite-web,cbowman0/graphite-web,drax68/graphite-web,deniszh/graphite-web