Use django.utils.six.moves for StringIO, one more file from CMS is gone

cms/test_utils/util/context_managers.py

@@ -1,16 +1,16 @@
 # -*- coding: utf-8 -*-
+import sys
 from contextlib import contextmanager
 from shutil import rmtree as _rmtree
 from tempfile import template, mkdtemp
-import sys
 
 from django.conf import settings
 from django.core.signals import request_started
 from django.db import reset_queries
 from django.template import context
+from django.utils.six.moves import StringIO
 from django.utils.translation import get_language, activate
 
-from cms.utils.compat.string_io import StringIO
 from cms.utils.compat.dj import get_user_model
 
 

cms/test_utils/util/request_factory.py

@@ -5,8 +5,8 @@
     BOUNDARY, CONTENT_TYPE_RE)
 from django.utils import six
 from django.utils.encoding import smart_str
+from django.utils.six.moves import StringIO
 
-from cms.utils.compat.string_io import StringIO
 from cms.utils.compat.urls import urlencode, urlparse, unquote
 
 

cms/tests/docs.py

@@ -1,13 +1,16 @@
 # -*- coding: utf-8 -*-
 from __future__ import with_statement
+
+import os
+import socket
+
+from django.utils.six.moves import StringIO
+
+import cms
 from cms.test_utils.compat import skipIf
 from cms.test_utils.testcases import CMSTestCase
 from cms.test_utils.util.context_managers import TemporaryDirectory
 from sphinx.application import Sphinx
-import cms
-import os
-import socket
-from cms.utils.compat.string_io import StringIO
 
 
 ROOT_DIR = os.path.dirname(cms.__file__)

cms/tests/management.py

@@ -1,21 +1,22 @@
 # -*- coding: utf-8 -*-
 from __future__ import with_statement
 import uuid
+
 from django.contrib.sites.models import Site
-from django.core.management import CommandError
-from cms.models import Page, StaticPlaceholder
 from django.core import management
-from cms.test_utils.fixtures.navextenders import NavextendersFixture
+from django.core.management import CommandError
+from django.utils.six.moves import StringIO
 
-from cms.test_utils.testcases import CMSTestCase
-from cms.test_utils.util.context_managers import SettingsOverride
 from cms.api import create_page, add_plugin, create_title
 from cms.management.commands import cms
 from cms.management.commands.subcommands.list import plugin_report
-from cms.models.pluginmodel import CMSPlugin
+from cms.models import Page, StaticPlaceholder
 from cms.models.placeholdermodel import Placeholder
+from cms.models.pluginmodel import CMSPlugin
+from cms.test_utils.fixtures.navextenders import NavextendersFixture
+from cms.test_utils.testcases import CMSTestCase
+from cms.test_utils.util.context_managers import SettingsOverride
 from djangocms_text_ckeditor.cms_plugins import TextPlugin
-from cms.utils.compat.string_io import StringIO
 
 
 APPHOOK = "SampleApp"