diff --git a/tests/__init__.py b/tests/__init__.py
index be8eae4..128ec58 100755
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -3,3 +3,5 @@
 #the full copyright notices and license terms.
 
 from .test_product_purchase_sequence import suite
+
+__all__ = ['suite']