Fixing python version in travis
Fixing python version in travis
jssjr/carbonate,graphite-project/carbonate,deniszh/carbonate,deniszh/carbonate,criteo-forks/carbonate,criteo-forks/carbonate,graphite-project/carbonate,graphite-project/carbonate,jssjr/carbonate,criteo-forks/carbonate,jssjr/carbonate,deniszh/carbonate