[py3] Used compatible imports of StringIO.

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/modeltests/serializers/tests.py b/tests/modeltests/serializers/tests.py
index 9177227539..ec3cc132db 100644
--- a/tests/modeltests/serializers/tests.py
+++ b/tests/modeltests/serializers/tests.py
@@ -4,13 +4,13 @@ from __future__ import absolute_import, unicode_literals
 import json
 from datetime import datetime
 from xml.dom import minidom
-from StringIO import StringIO
 
 from django.conf import settings
 from django.core import serializers
 from django.db import transaction, connection
 from django.test import TestCase, TransactionTestCase, Approximate
 from django.utils import six
+from django.utils.six import StringIO
 from django.utils import unittest
 
 from .models import (Category, Author, Article, AuthorProfile, Actor, Movie,