Replace bsddb3 and _db occurrences.
diff --git a/Lib/bsddb/dbtables.py b/Lib/bsddb/dbtables.py
index 4e93451..f1e88f2 100644
--- a/Lib/bsddb/dbtables.py
+++ b/Lib/bsddb/dbtables.py
@@ -28,7 +28,7 @@
 import re
 import copy
 
-from bsddb3.db import *
+from bsddb.db import *
 
 
 class TableDBError(StandardError): pass