diff --git a/Lib/anydbm.py b/Lib/anydbm.py
index ba6fa7b..9352fbf 100644
--- a/Lib/anydbm.py
+++ b/Lib/anydbm.py
@@ -42,6 +42,8 @@
 
 """
 
+__all__ = ["error","open"]
+
 try:
     class error(Exception):
         pass