Refs #23919 -- Removed most of remaining six usage

Thanks Tim Graham for the review.

1 files changed, 1 insertions, 2 deletions

diff --git a/tests/file_uploads/tests.py b/tests/file_uploads/tests.py
index f9cecf96a2..c7315ae142 100644
--- a/tests/file_uploads/tests.py
+++ b/tests/file_uploads/tests.py
@@ -7,7 +7,7 @@ import shutil
 import sys
 import tempfile as sys_tempfile
 import unittest
-from io import BytesIO
+from io import BytesIO, StringIO
 
 from django.core.files import temp as tempfile
 from django.core.files.uploadedfile import SimpleUploadedFile
@@ -15,7 +15,6 @@ from django.http.multipartparser import MultiPartParser, parse_header
 from django.test import SimpleTestCase, TestCase, client, override_settings
 from django.utils.encoding import force_bytes
 from django.utils.http import urlquote
-from django.utils.six import StringIO
 
 from . import uploadhandler
 from .models import FileModel