title: 'Request' object has no attribute 'get' Python error
body: <p>I am trying to get a url parameter in Python.</p>
  
  <p>I am using this code:</p>
  
  <pre><code>from flask import request, url_for, redirect
  # ...
  controller = request.get('controller')
  </code></pre>
  
  <p>but I am getting this error:</p>
  
  <pre><code>'Request' object has no attribute 'get'
  </code></pre>
  
  <p>Any ideas?</p>
  
  <p>Thanks</p>