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-rw-r--r--test/vpp_interface.py7
1 files changed, 4 insertions, 3 deletions
diff --git a/test/vpp_interface.py b/test/vpp_interface.py
index 58384d2eeb9..2dcf149a593 100644
--- a/test/vpp_interface.py
+++ b/test/vpp_interface.py
@@ -1,16 +1,17 @@
import binascii
import socket
-from abc import abstractmethod, ABCMeta
+import abc
+import six
from six import moves
from util import Host, mk_ll_addr
from vpp_papi import mac_ntop
+@six.add_metaclass(abc.ABCMeta)
class VppInterface(object):
"""Generic VPP interface."""
- __metaclass__ = ABCMeta
@property
def sw_if_index(self):
@@ -181,7 +182,7 @@ class VppInterface(object):
self._hosts_by_ip4[ip4] = host
self._hosts_by_ip6[ip6] = host
- @abstractmethod
+ @abc.abstractmethod
def __init__(self, test):
self._test = test