use ruff for formating

Co-authored-by: Bartuccio Antoine <klmp200@users.noreply.github.com>

sith/settings.py

@@ -567,7 +567,7 @@ SITH_SUBSCRIPTIONS = {
         "name": _("One year for free(CA offer)"),
         "price": 0,
         "duration": 2,
-    }
+    },
     # To be completed....
 }