API refactoring : gre

[vpp.git] / test / template_bd.py

diff --git a/test/template_bd.py b/test/template_bd.py
index 6c6fb3d..01e8b85 100644 (file)
--- a/test/template_bd.py
+++ b/test/template_bd.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-from abc import abstractmethod
+from abc import abstractmethod, ABCMeta
 
 from scapy.layers.l2 import Ether, Raw
 from scapy.layers.inet import IP, UDP
@@ -8,6 +8,7 @@ from scapy.layers.inet import IP, UDP
 
 class BridgeDomain(object):
     """ Bridge domain abstraction """
+    __metaclass__ = ABCMeta
 
     @property
     def frame_pg0_to_pg1(self):