1 files changed, 4 insertions, 2 deletions
diff --git a/tests/unit/network_services/vnf_generic/vnf/test_tg_rfc2544_ixia.py b/tests/unit/network_services/vnf_generic/vnf/test_tg_rfc2544_ixia.py
index e9f718cb7..aeabc367a 100644
--- a/tests/unit/network_services/vnf_generic/vnf/test_tg_rfc2544_ixia.py
+++ b/tests/unit/network_services/vnf_generic/vnf/test_tg_rfc2544_ixia.py
@@ -16,8 +16,10 @@
 #
 
 import os
-import unittest
+
 import mock
+import six
+import unittest
 
 from tests.unit import STL_MOCKS
 
@@ -341,7 +343,7 @@ class TestIXIATrafficGen(unittest.TestCase):
             'task_path': '/path/to/task'
         }
 
-        @mock.patch('yardstick.benchmark.scenarios.networking.vnf_generic.open', create=True)
+        @mock.patch.object(six.moves.builtins, 'open', create=True)
         @mock.patch('yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.open',
                     mock.mock_open(), create=True)
         @mock.patch('yardstick.network_services.vnf_generic.vnf.tg_rfc2544_ixia.LOG.exception')