middlewares: only process request in process_response if a session exists

src/authentic2_cut/middlewares.py

@@ -86,5 +86,5 @@ class CUTMiddleware(object):
     def process_response(self, request, response):
         if hasattr(request, 'session'):
             request.session['service_slug'] = getattr(request, 'service_slug', None)
-        self.process_request(request)
+            self.process_request(request)
         return response