diff --git a/src/pretix/plugins/sendmail/tasks.py b/src/pretix/plugins/sendmail/tasks.py
index f73c5ff4da..60c873af07 100644
--- a/src/pretix/plugins/sendmail/tasks.py
+++ b/src/pretix/plugins/sendmail/tasks.py
@@ -33,7 +33,7 @@
 # License for the specific language governing permissions and limitations under the License.
 from datetime import datetime
 
-from django.db.models import Exists, OuterRef, Q, F
+from django.db.models import Exists, F, OuterRef, Q
 from i18nfield.strings import LazyI18nString
 
 from pretix.base.email import get_email_context