diff --git a/neutron/agent/linux/polling.py b/neutron/agent/linux/polling.py
index 23168085fd..9e2163ac28 100644
--- a/neutron/agent/linux/polling.py
+++ b/neutron/agent/linux/polling.py
@@ -52,7 +52,7 @@ class BasePollingManager(object):
         self._polling_completed = True
 
     def _is_polling_required(self):
-        raise NotImplemented
+        raise NotImplementedError()
 
     @property
     def is_polling_required(self):
diff --git a/neutron/tests/unit/agent/linux/test_polling.py b/neutron/tests/unit/agent/linux/test_polling.py
index 90b48e0bc9..ba18a86483 100644
--- a/neutron/tests/unit/agent/linux/test_polling.py
+++ b/neutron/tests/unit/agent/linux/test_polling.py
@@ -43,6 +43,9 @@ class TestBasePollingManager(base.BaseTestCase):
         super(TestBasePollingManager, self).setUp()
         self.pm = polling.BasePollingManager()
 
+    def test__is_polling_required_should_not_be_implemented(self):
+        self.assertRaises(NotImplementedError, self.pm._is_polling_required)
+
     def test_force_polling_sets_interval_attribute(self):
         self.assertFalse(self.pm._force_polling)
         self.pm.force_polling()