title: Simple guestbook django: __init__() takes 1 positional argument but 2 were given
body: <p>I'm new to Django and trying to make a simple guestbook application to get used to the environment. I get the following mistake, but I can't locate the error: </p>
  
  <p><strong>Exception Value: _<em>init</em>_() takes 1 positional argument but 2 were given.</strong></p>
  
  <pre><code>from django.db import models
  from django.contrib.auth.models import User
  from django.contrib import admin
  
  class Bericht(models.Model):
      titel = models.CharField(max_length=50)
      auteur = models.ForeignKey(User, blank=True)
      email = models.EmailField(max_length=75)
      inhoud = models.TextField(max_length=10000, blank=True)
      datum = models.DateTimeField(auto_now_add=True)
  
      def __str__(self):
          return str(self.auteur) + " : " + str(self.titel)
  
      class Meta:
          verbose_name_plural = "berichten"
  
  class BerichtAdmin(admin.ModelAdmin):
      list_display = ["auteur", "datum", "titel"]
      list_filter = ["datum", "auteur"]
  
  admin.site.register(Bericht, BerichtAdmin)
  </code></pre>
  
  <p>The view</p>
  
  <pre><code>from django.shortcuts import render
  from django.views.generic import ListView
  from Gastenboek.models import *
  
  class BerichtListView(ListView):
      model = Bericht.objects.all()
      template_name = 'template/bericht_lijst.html'
      paginate_by = 10
      context_object_name = "bericht_lijst"
  # Create your views here.
  </code></pre>
  
  <p>urls.py</p>
  
  <pre><code>from django.conf.urls import patterns, include, url
  
  from django.contrib import admin
  admin.autodiscover()
  
  urlpatterns = patterns('',
      # Examples:
      # url(r'^$', 'Niels.views.home', name='home'),
      # url(r'^blog/', include('blog.urls')),
  
      url(r'^admin/', include(admin.site.urls)),
      (r"^(\d+)/$", 'Gastenboek.views.BerichtListView'),
      (r"", 'Gastenboek.views.BerichtListView'),
  )
  </code></pre>
  
  <p>Traceback</p>
  
  <pre><code>Environment:
  
  
  Request Method: GET
  Request URL: http://127.0.0.1:8000/
  
  Django Version: 1.6.1
  Python Version: 3.3.3
  Installed Applications:
  ('django.contrib.admin',
   'django.contrib.auth',
   'django.contrib.contenttypes',
   'django.contrib.sessions',
   'django.contrib.messages',
   'django.contrib.staticfiles',
   'Gastenboek')
  Installed Middleware:
  ('django.contrib.sessions.middleware.SessionMiddleware',
   'django.middleware.common.CommonMiddleware',
   'django.middleware.csrf.CsrfViewMiddleware',
   'django.contrib.auth.middleware.AuthenticationMiddleware',
   'django.contrib.messages.middleware.MessageMiddleware',
   'django.middleware.clickjacking.XFrameOptionsMiddleware')
  
  
  Traceback:
  File "C:\Python33\lib\site-packages\django\core\handlers\base.py" in get_response
    114.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
  
  Exception Type: TypeError at /
  Exception Value: __init__() takes 1 positional argument but 2 were given
  </code></pre>