1 files changed, 6 insertions, 6 deletions
diff --git a/django/contrib/postgres/fields/jsonb.py b/django/contrib/postgres/fields/jsonb.py
index 29e8480665..760b5d8398 100644
--- a/django/contrib/postgres/fields/jsonb.py
+++ b/django/contrib/postgres/fields/jsonb.py
@@ -1,14 +1,14 @@
 from django.db.models import JSONField as BuiltinJSONField
 
-__all__ = ['JSONField']
+__all__ = ["JSONField"]
 
 
 class JSONField(BuiltinJSONField):
     system_check_removed_details = {
-        'msg': (
-            'django.contrib.postgres.fields.JSONField is removed except for '
-            'support in historical migrations.'
+        "msg": (
+            "django.contrib.postgres.fields.JSONField is removed except for "
+            "support in historical migrations."
         ),
-        'hint': 'Use django.db.models.JSONField instead.',
-        'id': 'fields.E904',
+        "hint": "Use django.db.models.JSONField instead.",
+        "id": "fields.E904",
     }