Update app.py

app.py

@@ -2305,7 +2305,7 @@ def users():
         update_last_seen(data, username)
     
     is_authenticated = 'username' in session
-    unread_count = get_unread_count(data, username) if is_authenticated else
+    unread_count = get_unread_count(data, username) if is_authenticated else 0
     private_unread_count = get_private_unread_count(data, username) if is_authenticated else 0
     user_count = len(data['users'])
     is_online = is_user_online(data, username) if is_authenticated else False