diff --git a/neutron/tests/unit/agent/common/test_resource_processing_queue.py b/neutron/tests/unit/agent/common/test_resource_processing_queue.py
index 3b66a257519..7ec218f4e2c 100644
--- a/neutron/tests/unit/agent/common/test_resource_processing_queue.py
+++ b/neutron/tests/unit/agent/common/test_resource_processing_queue.py
@@ -100,7 +100,7 @@ class TestExclusiveResourceProcessor(base.BaseTestCase):
         for update in not_primary.updates():
             raise Exception("Only the primary should process a resource")
 
-        self.assertEqual(2, len([i for i in primary.updates()]))
+        self.assertEqual(2, len(list(primary.updates())))
 
     def test_hit_retry_limit(self):
         tries = 1
diff --git a/neutron/tests/unit/extensions/test_l3.py b/neutron/tests/unit/extensions/test_l3.py
index 14039edf56a..89ef3e97f7a 100644
--- a/neutron/tests/unit/extensions/test_l3.py
+++ b/neutron/tests/unit/extensions/test_l3.py
@@ -4066,7 +4066,7 @@ class L3AgentDbTestCaseBase(L3NatTestCaseMixin):
         with mock.patch(l3_rpc_agent_api_str):
             plugin = directory.get_plugin(plugin_constants.L3)
             notifyApi = plugin.l3_rpc_notifier
-            kargs = [item for item in args]
+            kargs = list(args)
             kargs.append(notifyApi)
             target_func(*kargs)
 
diff --git a/neutron/tests/unit/extensions/test_subnetpool_prefix_ops.py b/neutron/tests/unit/extensions/test_subnetpool_prefix_ops.py
index dbb3c278375..84e38073f55 100644
--- a/neutron/tests/unit/extensions/test_subnetpool_prefix_ops.py
+++ b/neutron/tests/unit/extensions/test_subnetpool_prefix_ops.py
@@ -206,7 +206,7 @@ class SubnetpoolPrefixOpsTestBase(object):
         subnetpool = subnetpool_obj.SubnetPool.get_object(
                                                  self.context,
                                                  id=subnetpool_id)
-        current_prefix_set = netaddr.IPSet([x for x in subnetpool.prefixes])
+        current_prefix_set = netaddr.IPSet(list(subnetpool.prefixes))
         expected_prefix_set = netaddr.IPSet(expected_prefixes)
         excluded_prefix_set = netaddr.IPSet(excluded_prefixes)
         self.assertTrue(expected_prefix_set.issubset(current_prefix_set))
diff --git a/neutron/tests/unit/scheduler/test_dhcp_agent_scheduler.py b/neutron/tests/unit/scheduler/test_dhcp_agent_scheduler.py
index 0ebae7dfdc5..e1cc9b346ec 100644
--- a/neutron/tests/unit/scheduler/test_dhcp_agent_scheduler.py
+++ b/neutron/tests/unit/scheduler/test_dhcp_agent_scheduler.py
@@ -528,7 +528,7 @@ class TestNetworksFailover(TestDhcpSchedulerBaseTestCase,
 
         with mock.patch.object(self, 'agent_starting_up',
                                side_effect=[True, False]):
-            res = [b for b in self._filter_bindings(None, bindings_objs)]
+            res = list(self._filter_bindings(None, bindings_objs))
             # once per each agent id1 and id2
             self.assertEqual(2, len(res))
             res_ids = [b.network_id for b in res]