diff --git a/conf/settings.py b/conf/settings.py
index c4d00e7f..433bf4a7 100644
--- a/conf/settings.py
+++ b/conf/settings.py
@@ -256,4 +256,4 @@
 
 SEND_REJECTED_EMAIL = env.bool("SEND_REJECTED_EMAIL", default=True)
 
-DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'
+DEFAULT_AUTO_FIELD = "django.db.models.AutoField"