modernize tests
diff --git a/tests/test_errors.py b/tests/test_errors.py
index efb4afd..0cef892 100644
--- a/tests/test_errors.py
+++ b/tests/test_errors.py
@@ -16,6 +16,7 @@
 
 """Tests for errors handling
 """
+from __future__ import absolute_import
 
 __author__ = 'afshar@google.com (Ali Afshar)'