diff --git a/Lib/dbhash.py b/Lib/dbhash.py
index ff51630..4abd4f0 100644
--- a/Lib/dbhash.py
+++ b/Lib/dbhash.py
@@ -2,6 +2,8 @@
 
 import bsddb
 
+__all__ = ["error","open"]
+
 error = bsddb.error                     # Exported for anydbm
 
 def open(file, flag, mode=0666):