title: awscli python version shows 2.7 instead of 3.6 on windows 7
body: <p>I installed awscli with msi installer on windows 7.<br>
  I have python 3.6 installed on my machine, but after installing the awscli msi I ran </p>
  
  <pre><code>aws --version 
  </code></pre>
  
  <p>command on both git bash and command prompt it is showing </p>
  
  <pre><code>aws-cli/1.15.3 Python/2.7.9 Windows/7 botocore/1.10.3 
  
  Python/2.7.9 
  </code></pre>
  
  <p>I used</p>
  
  <pre><code>pip installed --user --upgrade 
  </code></pre>
  
  <p>already but it is still shoing the Python/2.7.9 version.</p>