diff --git a/tests/test_cloudformation/test_cloudformation_stack_crud.py b/tests/test_cloudformation/test_cloudformation_stack_crud.py
index 808e65aa..8cdbf96e 100644
--- a/tests/test_cloudformation/test_cloudformation_stack_crud.py
+++ b/tests/test_cloudformation/test_cloudformation_stack_crud.py
@@ -1,8 +1,9 @@
 from __future__ import unicode_literals
 import json
-
 import boto
 import sure  # noqa
+# Ensure 'assert_raises' context manager support for Python 2.6
+import tests.backport_assert_raises
 from nose.tools import assert_raises
 
 from moto import mock_cloudformation