diff --git a/src/pretix/api/serializers/order.py b/src/pretix/api/serializers/order.py
index 919a782a3..154f1372d 100644
--- a/src/pretix/api/serializers/order.py
+++ b/src/pretix/api/serializers/order.py
@@ -59,7 +59,6 @@ from pretix.base.settings import COUNTRIES_WITH_STATE_IN_ADDRESS
 from pretix.base.signals import register_ticket_outputs
 from pretix.multidomain.urlreverse import build_absolute_uri
 
-
 logger = logging.getLogger(__name__)