Update Django 2.0

sikweb/middleware.py

@@ -1,4 +1,4 @@
-class ForceDefaultLanguageMiddleware(object):
+def ForceDefaultLanguageMiddleware(get_response):
     """
     Ignore Accept-Language HTTP headers
 
@@ -8,6 +8,9 @@ class ForceDefaultLanguageMiddleware(object):
     Should be installed *before* any middleware that checks request.META['HTTP_ACCEPT_LANGUAGE'],
     namely django.middleware.locale.LocaleMiddleware
     """
-    def process_request(self, request):
+    def process_request(request):
         if 'HTTP_ACCEPT_LANGUAGE' in request.META:
             del request.META['HTTP_ACCEPT_LANGUAGE']
+        return get_response(request)
+
+    return process_request