Merge pull request #7398 from edx/will/fix-broken-footer-test

Add missing import of override_settings to fix a broken test in courseware

lms/djangoapps/courseware/tests/test_footer.py

@@ -7,6 +7,7 @@ from mock import patch
 
 from django.conf import settings
 from django.test import TestCase
+from django.test.utils import override_settings
 
 
 class TestFooter(TestCase):