Fix middleware bug

mamweb/middleware.py

@@ -1,7 +1,7 @@
 from datetime import datetime, date
 
 from django.conf import settings
-from django.http import HttpResponse, HttpResponseRedirect, HttpRequest
+from django.http import HttpResponse, HttpResponseRedirect
 
 
 
@@ -32,7 +32,7 @@ class LoggedInHintCookieMiddleware(object):
         if not request.is_secure():
             if self.cookie_correct(request):
                 # redirect insecure (assuming http) requests with hint cookie to https
-                url = HttpRequest.build_absolute_uri()
+                url = request.build_absolute_uri()
                 assert url[:5] == 'http:'
                 return HttpResponseRedirect('https:' + url[5:])
         return None