title: How to implement a multi-step form in Django admin
body: <p>My task is to give the opportunity to fill out the form in several steps, processing the result of each step.</p>
  
  <p>I found an <a href="https://elo80ka.wordpress.com/2009/10/28/using-a-formwizard-in-the-django-admin/" rel="nofollow noreferrer">example</a> of what I need, but this example of 2009</p>
  
  <p>I know about <a href="http://django-formtools.readthedocs.io/en/latest/wizard.html" rel="nofollow noreferrer">wizard form</a>, but I do not understand how to implement it in Dango admin.</p>
  
  <p>I tried to do this:</p>
  
  <pre><code>def get_urls(self):
      urls = super(MyCustomAdmin, self).get_urls()
      my_urls = [
          url(r'^my_view/$', Wizard.as_view([Form1, Form2]))        
      ]
      return my_urls + urls
  </code></pre>
  
  <p>But got an error:</p>
  
  <blockquote>
    <p>AttributeError at /admin/сustom/custommodel/my_view/</p>
    
    <p>'NoneType' object has no attribute 'rsplit'</p>
  </blockquote>
  
  <p>Perhaps <code>Wizard form</code> are not the best option. But I do not know how to implement the task set otherwise</p>