Refs #20349 -- Avoided loading testing libraries when not needed.

1 files changed, 1 insertions, 1 deletions

diff --git a/django/contrib/postgres/apps.py b/django/contrib/postgres/apps.py
index 91fc29ac05..b8ec85b7a4 100644
--- a/django/contrib/postgres/apps.py
+++ b/django/contrib/postgres/apps.py
@@ -3,13 +3,13 @@ from psycopg2.extras import (
 )
 
 from django.apps import AppConfig
+from django.core.signals import setting_changed
 from django.db import connections
 from django.db.backends.signals import connection_created
 from django.db.migrations.writer import MigrationWriter
 from django.db.models import CharField, OrderBy, TextField
 from django.db.models.functions import Collate
 from django.db.models.indexes import IndexExpression
-from django.test.signals import setting_changed
 from django.utils.translation import gettext_lazy as _
 
 from .indexes import OpClass