diff --git a/djangocms_text_ckeditor/html.py b/djangocms_text_ckeditor/html.py
index 4641245..4dfea0a 100644
--- a/djangocms_text_ckeditor/html.py
+++ b/djangocms_text_ckeditor/html.py
@@ -2,14 +2,12 @@
 import base64
 from html5lib import sanitizer, serializer, treebuilders, treewalkers
 import html5lib
-try:
-    from io import BytesIO as StringIO
-except ImportError:
-    from StringIO import StringIO
 from PIL import Image
 import re
 import uuid
 
+from django.utils.six import StringIO
+
 from .settings import (TEXT_SAVE_IMAGE_FUNCTION, TEXT_ADDITIONAL_TAGS,
                        TEXT_ADDITIONAL_ATTRIBUTES, TEXT_HTML_SANITIZE)
 from .utils import plugin_to_tag