use generic ofp import
diff --git a/tests/nicira_dec_ttl.py b/tests/nicira_dec_ttl.py
index a35d97a..f5e8214 100644
--- a/tests/nicira_dec_ttl.py
+++ b/tests/nicira_dec_ttl.py
@@ -2,7 +2,7 @@
 import struct
 
 from oftest import config
-import of10 as ofp
+import ofp
 import oftest.base_tests as base_tests
 
 from oftest.testutils import *