diff --git a/openedx/core/djangolib/tests/test_markup.py b/openedx/core/djangolib/tests/test_markup.py
index ad149f3d1d..d3c2453dfa 100644
--- a/openedx/core/djangolib/tests/test_markup.py
+++ b/openedx/core/djangolib/tests/test_markup.py
@@ -7,6 +7,7 @@ from __future__ import absolute_import
import unittest
import ddt
+import six
from bs4 import BeautifulSoup
from django.utils.translation import ugettext as _
from django.utils.translation import ungettext
@@ -100,7 +101,7 @@ class FormatHtmlTest(unittest.TestCase):
html = strip_all_tags_but_br('{name}