Error: Package: diamond-3.4.67-0.noarch (@/diamond-3.4.67-0.noarch)
           Requires: /bin/python
           Removing: python-2.7.5-16.el7.x86_64 (@anaconda)
               Not found
           Updated By: python-2.7.5-18.el7_1.1.x86_64 (updates)
               Not found
 You could try using --skip-broken to work around the problem