diff --git a/letsencrypt-apache/letsencrypt_apache/tests/tls_sni_01_test.py b/letsencrypt-apache/letsencrypt_apache/tests/tls_sni_01_test.py
index a2d3cacc4..9681bf9fc 100644
--- a/letsencrypt-apache/letsencrypt_apache/tests/tls_sni_01_test.py
+++ b/letsencrypt-apache/letsencrypt_apache/tests/tls_sni_01_test.py
@@ -9,7 +9,7 @@ from letsencrypt.plugins import common_test
 from letsencrypt_apache import obj
 from letsencrypt_apache.tests import util
 
-from six.moves import xrange  # pylint: disable=redefined-builtin
+from six.moves import xrange  # pylint: disable=redefined-builtin, import-error
 
 
 class TlsSniPerformTest(util.ApacheTest):