title: How to upgrade/uninstall distutils packages (PyYAML) in windows OS
body: <p>I am working in WIN10 , with python 2.7.15</p>
  
  <p>I am try to install package, during the installation process I received the following error .</p>
  
  <pre><code>Cannot uninstall 'PyYAML'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.
  </code></pre>
  
  <p>I try to uninstall with pip (18.1) command and I received the same error.</p>
  
  <pre><code>pip uninstall PyYAML
  </code></pre>
  
  <p>How I can uninstall/upgrade distutils packge in win10 OS.</p>