--> Processing Dependency: PyYAML for package: salt-2014.7.1-1.el6.noarch
--> Finished Dependency Resolution
Error: Package: salt-2014.7.1-1.el6.noarch (epel)
           Requires: PyYAML
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest