diff --git a/lib/xos-genx/xos-genx-tests/helpers.py b/lib/xos-genx/xos-genx-tests/helpers.py
index 4687bb3..e6d87ab 100644
--- a/lib/xos-genx/xos-genx-tests/helpers.py
+++ b/lib/xos-genx/xos-genx-tests/helpers.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 
+from __future__ import absolute_import
 import os
 
 # Constants