--- a/wiki/middleware.py	Sat Apr 14 14:03:04 2018 -0500
+++ b/wiki/middleware.py	Thu Jun 07 19:53:13 2018 -0500
@@ -23,16 +23,18 @@
 
     # The key part of the cookie is just a string that would make things
     # difficult for a spoofer; something that can't be easily made up:
+    username = user.username.encode('utf-8')
+    email = user.email.encode('utf-8')
 
     h = hashlib.sha256()
-    h.update(user.username.encode('utf-8'))
-    h.update(user.email.encode('utf-8'))
+    h.update(username)
+    h.update(email)
     h.update(now.isoformat())
     h.update(''.join(random.sample(string.printable, 64)))
     h.update(settings.SECRET_KEY)
     key = h.hexdigest()
 
-    parts = (user.username, user.email, key)
+    parts = (username, email, key)
     return '#'.join(parts)
 
 

--- a/wiki/tests/test_middleware.py	Sat Apr 14 14:03:04 2018 -0500
+++ b/wiki/tests/test_middleware.py	Thu Jun 07 19:53:13 2018 -0500
@@ -1,3 +1,4 @@
+# coding=utf-8
 """
 Tests for the wiki integration application.
 
@@ -20,8 +21,8 @@
 
     def setUp(self):
         self.factory = RequestFactory()
-        self.user = User.objects.create_user('test_user', 'test@example.com',
-                'password')
+        self.user = User.objects.create_user(u'Sérgio', u'test@example.com',
+                u'password')
         self.conn = get_redis_connection()
         self.mw = WikiMiddleware()
 
@@ -52,7 +53,7 @@
 
             cookie_val = cookie.value
             try:
-                user, email, key = cookie_val.split('#')
+                user, email, key = cookie_val.decode('utf-8').split('#')
             except ValueError:
                 self.fail('invalid cookie value')
             else: