Fix middleware regression

Author: filippomc

libraries/cloudharness-common/cloudharness/middleware/django.py

@@ -1,18 +1,18 @@
 from cloudharness.middleware import set_authentication_token
-
+from django.http.request import HttpRequest
 
 class CloudharnessMiddleware:
     def __init__(self, get_response):
         self.get_response = get_response
         # One-time configuration and initialization.
 
-    def __call__(self, request):
+    def __call__(self, request: HttpRequest):
         # Code to be executed for each request before
         # the view (and later middleware) are called.
 
         # retrieve the bearer token from the header
         # and save it for use in the AuthClient
-        set_authentication_token(request.headers.get('Authorization', '').split(' ')[-1] or request.cookies.get('kc-access', None))
+        set_authentication_token(request.headers.get('Authorization', '').split(' ')[-1] or request.COOKIES.get('kc-access', None))
 
         response = self.get_response(request)