Convert raise statements in bsddb.
diff --git a/Lib/bsddb/dbshelve.py b/Lib/bsddb/dbshelve.py
index 1f7fdc1..2959f25 100644
--- a/Lib/bsddb/dbshelve.py
+++ b/Lib/bsddb/dbshelve.py
@@ -69,7 +69,7 @@
         elif sflag == 'n':
             flags = db.DB_TRUNCATE | db.DB_CREATE
         else:
-            raise db.DBError, "flags should be one of 'r', 'w', 'c' or 'n' or use the bsddb.db.DB_* flags"
+            raise db.DBError("flags should be one of 'r', 'w', 'c' or 'n' or use the bsddb.db.DB_* flags")
 
     d = DBShelf(dbenv)
     d.open(filename, dbname, filetype, flags, mode)
@@ -155,7 +155,7 @@
         if self.get_type() != db.DB_RECNO:
             self.append = self.__append
             return self.append(value, txn=txn)
-        raise db.DBError, "append() only supported when dbshelve opened with filetype=dbshelve.db.DB_RECNO"
+        raise db.DBError("append() only supported when dbshelve opened with filetype=dbshelve.db.DB_RECNO")
 
 
     def associate(self, secondaryDB, callback, flags=0):