diff --git a/src/pretix/base/models/items.py b/src/pretix/base/models/items.py
index d1bf245b1..548893359 100644
--- a/src/pretix/base/models/items.py
+++ b/src/pretix/base/models/items.py
@@ -7,9 +7,9 @@ from typing import Tuple
 
 import dateutil.parser
 import pytz
+from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.core.validators import RegexValidator
-from django.conf import settings
 from django.db import models
 from django.db.models import Q
 from django.utils import formats