diff --git a/stripe_checkout/stripe_checkout/urls.py b/stripe_checkout/stripe_checkout/urls.py
index 087feb74134c707321b218270e2e033fa75468fc..04b5000ce914c9066f839381c1c094e67d8236c5 100644
--- a/stripe_checkout/stripe_checkout/urls.py
+++ b/stripe_checkout/stripe_checkout/urls.py
@@ -11,7 +11,9 @@ urlpatterns = [
         "visitors/",
         include(
             [
-                re_path(f"{visitor_id}/delete_orders/", delete_orders, name="delete-orders"),
+                re_path(
+                    f"{visitor_id}/delete_orders/", delete_orders, name="delete-orders"
+                ),
                 re_path(f"{visitor_id}/", update_visitor, name="update-visitor"),
                 path("", list_visitors, name="list-visitors"),
             ]