title: KeyError: access token
body: <p>I have already test this before and it's work. Now the error back again and I didn't do any changes on my social app.</p>
  
  <p>Here are my codes:</p>
  
  <pre><code>def get_profile(request, token=None):
      args = {
          'client_id': settings.FACEBOOK_APP_ID,
          'client_secret': settings.FACEBOOK_APP_SECRET,
          'redirect_uri': request.build_absolute_uri(reverse('social:fb_callback')),
          'code': token,
      }
  
      target = urllib.urlopen('https://graph.facebook.com/oauth/access_token?' + urllib.urlencode(args)).read()
      response = cgi.parse_qs(target)
      access_token = response['access_token'][-1]
  
      return access_token 
  </code></pre>