X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Fvpp_tunnel_interface.py;h=d70328eb239dc11f6dbf710fd238df586d03bcd2;hb=06bbab0c45c805544c981b8765ea3d85760d66a8;hp=c74f58532f2326053362e8ac7bc93c8b8a48e761;hpb=31da2e30317bc1fcb4586e1dc0d560600d9b29d3;p=vpp.git

diff --git a/test/vpp_tunnel_interface.py b/test/vpp_tunnel_interface.py
index c74f58532f2..d70328eb239 100644
--- a/test/vpp_tunnel_interface.py
+++ b/test/vpp_tunnel_interface.py
@@ -1,13 +1,11 @@
-from abc import abstractmethod, ABCMeta
+import abc
 from vpp_pg_interface import is_ipv6_misc
 from vpp_interface import VppInterface
 
 
-class VppTunnelInterface(VppInterface):
-    """ VPP tunnel interface abstration """
-    __metaclass__ = ABCMeta
+class VppTunnelInterface(VppInterface, metaclass=abc.ABCMeta):
+    """VPP tunnel interface abstraction"""
 
-    @abstractmethod
     def __init__(self, test, parent_if):
         super(VppTunnelInterface, self).__init__(test)
         self.parent_if = parent_if
@@ -26,7 +24,9 @@ class VppTunnelInterface(VppInterface):
     def add_stream(self, pkts):
         return self.parent_if.add_stream(pkts)
 
-    def get_capture(self, expected_count=None, remark=None, timeout=1,
-                    filter_out_fn=is_ipv6_misc):
-        return self.parent_if.get_capture(expected_count, remark, timeout,
-                                          filter_out_fn)
+    def get_capture(
+        self, expected_count=None, remark=None, timeout=1, filter_out_fn=is_ipv6_misc
+    ):
+        return self.parent_if.get_capture(
+            expected_count, remark, timeout, filter_out_fn
+        )