migrating to new middleware format

cfp/middleware.py

@@ -1,9 +1,13 @@
-from django.core.exceptions import ImproperlyConfigured
-
 from .utils import get_current_conf
 
 
 class ConferenceMiddleware:
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        return self.get_response(request)
+
     def process_view(self, request, view, view_args, view_kwargs):
         if view.__module__ != 'cfp.views':
             return

ponyconf/settings.py

@@ -63,7 +63,7 @@ INSTALLED_APPS = [
     'django.contrib.staticfiles',
 ]
 
-MIDDLEWARE_CLASSES = [
+MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.locale.LocaleMiddleware',