diff --git a/openslides/agenda/urls.py b/openslides/agenda/urls.py
index 6022bff4d..392adbedf 100644
--- a/openslides/agenda/urls.py
+++ b/openslides/agenda/urls.py
@@ -10,7 +10,7 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-from django.conf.urls.defaults import url, patterns
+from django.conf.urls import url, patterns
 from openslides.agenda.views import (Overview, View, SetClosed, ItemUpdate,
     ItemCreate, ItemDelete, AgendaPDF)
 
diff --git a/openslides/assignment/urls.py b/openslides/assignment/urls.py
index 5540b8a06..42e55b638 100644
--- a/openslides/assignment/urls.py
+++ b/openslides/assignment/urls.py
@@ -10,7 +10,7 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-from django.conf.urls.defaults import url, patterns
+from django.conf.urls import url, patterns
 
 from openslides.assignment.views import (ViewPoll, AssignmentPDF,
     AssignmentPollPDF, AssignmentPollDelete, CreateAgendaItem)
diff --git a/openslides/assignment/views.py b/openslides/assignment/views.py
index f5e244732..6f95b44e0 100644
--- a/openslides/assignment/views.py
+++ b/openslides/assignment/views.py
@@ -318,7 +318,7 @@ class AssignmentPollDelete(DeleteView):
         return reverse('assignment_view', args=[self.assignment.id])
 
     def get_success_message(self):
-        return  _('Ballot was successfully deleted.') % self.object
+        return _('Ballot was successfully deleted.') % self.object
 
 
 class AssignmentPDF(PDFView):
diff --git a/openslides/config/urls.py b/openslides/config/urls.py
index 14659f5a8..84c1e93e9 100644
--- a/openslides/config/urls.py
+++ b/openslides/config/urls.py
@@ -11,7 +11,7 @@
 """
 
 from django.conf import settings
-from django.conf.urls.defaults import patterns, url
+from django.conf.urls import patterns, url
 from django.utils.importlib import import_module
 
 from openslides.config.views import GeneralConfig, VersionConfig
diff --git a/openslides/motion/urls.py b/openslides/motion/urls.py
index 177a5b04f..aff36a491 100644
--- a/openslides/motion/urls.py
+++ b/openslides/motion/urls.py
@@ -10,7 +10,7 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-from django.conf.urls.defaults import url, patterns
+from django.conf.urls import url, patterns
 
 from openslides.motion.views import (MotionDelete, ViewPoll,
     MotionPDF, MotionPollPDF, CreateAgendaItem, SupportView)
diff --git a/openslides/participant/urls.py b/openslides/participant/urls.py
index 569f8b85f..8fa6b9ca9 100644
--- a/openslides/participant/urls.py
+++ b/openslides/participant/urls.py
@@ -10,7 +10,7 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-from django.conf.urls.defaults import url, patterns
+from django.conf.urls import url, patterns
 
 from openslides.participant.views import (
     UserOverview, UserCreateView, UserDetailView, UserUpdateView,
diff --git a/openslides/participant/views.py b/openslides/participant/views.py
index bae5f0a69..ded8a55c7 100644
--- a/openslides/participant/views.py
+++ b/openslides/participant/views.py
@@ -471,7 +471,7 @@ def login(request):
     extra_content = {}
     try:
         admin = User.objects.get(pk=1)
-        if  admin.check_password(admin.default_password):
+        if admin.check_password(admin.default_password):
             extra_content['first_time_message'] = _(
                 "Installation was successfully! Use %(user)s "
                 "(password: %(password)s) for first login.<br>"
diff --git a/openslides/projector/urls.py b/openslides/projector/urls.py
index 9c1433ec4..e5a8d49c6 100644
--- a/openslides/projector/urls.py
+++ b/openslides/projector/urls.py
@@ -10,7 +10,7 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-from django.conf.urls.defaults import patterns, url
+from django.conf.urls import patterns, url
 
 from openslides.projector.views import (DashboardView, ActivateView,
     CustomSlideCreateView, CustomSlideUpdateView, CustomSlideDeleteView,
diff --git a/openslides/urls.py b/openslides/urls.py
index 5edb948d0..800ef85e6 100644
--- a/openslides/urls.py
+++ b/openslides/urls.py
@@ -11,7 +11,7 @@
 """
 
 from django.conf import settings
-from django.conf.urls.defaults import patterns, url, include
+from django.conf.urls import patterns, url, include
 from django.utils.importlib import import_module
 
 from openslides.utils.views import RedirectView
diff --git a/openslides/utils/template.py b/openslides/utils/template.py
index 5ed5eb778..b0ded80ad 100644
--- a/openslides/utils/template.py
+++ b/openslides/utils/template.py
@@ -15,7 +15,7 @@ from django.template.loader_tags import BlockNode, ExtendsNode
 
 
 class Tab(object):
-    def __init__(self, title='', url='', permission='', selected=False):
+    def __init__(self, title='', url='', permission=True, selected=False):
         self.selected = False
         self.title = title
         self.permission = permission
diff --git a/openslides/utils/views.py b/openslides/utils/views.py
index fbc742bf4..603786370 100644
--- a/openslides/utils/views.py
+++ b/openslides/utils/views.py
@@ -241,6 +241,8 @@ class UpdateView(PermissionMixin, _UpdateView):
 
 
 class CreateView(PermissionMixin, _CreateView):
+    apply_url = None
+
     def get_success_url(self):
         messages.success(self.request, self.get_success_message())
         if 'apply' in self.request.POST:
@@ -254,7 +256,11 @@ class CreateView(PermissionMixin, _CreateView):
         return context
 
     def get_apply_url(self):
-        return self.apply_url
+        if self.apply_url:
+            return self.apply_url
+        else:
+            raise ImproperlyConfigured(
+                "No URL to redirect to. Provide a apply_url.")
 
     def form_invalid(self, form):
         messages.error(self.request, _('Please check the form for errors.'))