#!/usr/bin/env python3
import abc
-import six
from scapy.layers.l2 import Ether
from scapy.packet import Raw
from scapy.layers.inet import IP, UDP
-from util import ip4_range
-
-@six.add_metaclass(abc.ABCMeta)
-class BridgeDomain(object):
+class BridgeDomain(metaclass=abc.ABCMeta):
""" Bridge domain abstraction """
@property