title: yum install specific version of python package
body: <p>I want to yum install python-pyside, but I don't want any old/new version of pyside, I want pyside version 1.2.1.</p>
  
  <p>How can I do this?</p>
  
  <p>I currently have:</p>
  
  <pre><code>yum install python-pyside
  </code></pre>