diff --git a/mypy.ini b/mypy.ini
index 66fa6ba8dd3..0d613f8dd1c 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -79,7 +79,6 @@ exclude = (?x)(
     | ^neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/commands.py$
     | ^neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py$
     | ^neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovsdb_monitor.py$
-    | ^neutron/services/logapi/drivers/openvswitch/ovs_firewall_log.py$
     | ^neutron/tests/$
     )
 
diff --git a/neutron/services/logapi/agent/log_extension.py b/neutron/services/logapi/agent/log_extension.py
index d9396f25bd0..757f65cfdea 100644
--- a/neutron/services/logapi/agent/log_extension.py
+++ b/neutron/services/logapi/agent/log_extension.py
@@ -37,7 +37,7 @@ class LoggingDriver(object, metaclass=abc.ABCMeta):
     """Defines abstract interface for logging driver"""
 
     # specific logging types are supported
-    SUPPORTED_LOGGING_TYPES = None
+    SUPPORTED_LOGGING_TYPES = tuple()
 
     @abc.abstractmethod
     def initialize(self, resource_rpc, **kwargs):
diff --git a/neutron/services/logapi/drivers/openvswitch/driver.py b/neutron/services/logapi/drivers/openvswitch/driver.py
index 2c2d26f0b8a..aba11232838 100644
--- a/neutron/services/logapi/drivers/openvswitch/driver.py
+++ b/neutron/services/logapi/drivers/openvswitch/driver.py
@@ -28,7 +28,7 @@ LOG = logging.getLogger(__name__)
 
 DRIVER = None
 
-SUPPORTED_LOGGING_TYPES = ['security_group']
+SUPPORTED_LOGGING_TYPES = ('security_group',)
 
 
 class OVSDriver(base.DriverBase):
diff --git a/neutron/services/logapi/drivers/openvswitch/ovs_firewall_log.py b/neutron/services/logapi/drivers/openvswitch/ovs_firewall_log.py
index 14e652258d6..55aa0c2b22e 100644
--- a/neutron/services/logapi/drivers/openvswitch/ovs_firewall_log.py
+++ b/neutron/services/logapi/drivers/openvswitch/ovs_firewall_log.py
@@ -131,7 +131,7 @@ class OFPortLog(object):
 
 class OVSFirewallLoggingDriver(log_ext.LoggingDriver):
 
-    SUPPORTED_LOGGING_TYPES = ['security_group']
+    SUPPORTED_LOGGING_TYPES = ('security_group',)
     REQUIRED_PROTOCOLS = [
         ovs_consts.OPENFLOW13,
         ovs_consts.OPENFLOW14,
diff --git a/neutron/services/logapi/drivers/ovn/driver.py b/neutron/services/logapi/drivers/ovn/driver.py
index 4d66fa5f621..0fa198b9c78 100644
--- a/neutron/services/logapi/drivers/ovn/driver.py
+++ b/neutron/services/logapi/drivers/ovn/driver.py
@@ -41,7 +41,7 @@ DRIVER = None
 log_cfg.register_log_driver_opts()
 
 MAX_INT_LABEL = 2**32
-SUPPORTED_LOGGING_TYPES = [log_const.SECURITY_GROUP]
+SUPPORTED_LOGGING_TYPES = (log_const.SECURITY_GROUP,)
 
 
 class LoggingNotSupported(n_exceptions.NeutronException):
diff --git a/neutron/tests/unit/services/logapi/agent/l3/test_base.py b/neutron/tests/unit/services/logapi/agent/l3/test_base.py
index ca4529aa264..184e52cad5d 100644
--- a/neutron/tests/unit/services/logapi/agent/l3/test_base.py
+++ b/neutron/tests/unit/services/logapi/agent/l3/test_base.py
@@ -32,7 +32,7 @@ _uuid = uuidutils.generate_uuid
 
 class FakeLogDriver(log_ext.LoggingDriver):
 
-    SUPPORTED_LOGGING_TYPES = ['fake_resource']
+    SUPPORTED_LOGGING_TYPES = ('fake_resource',)
 
     def initialize(self, resource_rpc, **kwargs):
         pass
diff --git a/neutron/tests/unit/services/logapi/agent/test_log_extension.py b/neutron/tests/unit/services/logapi/agent/test_log_extension.py
index e7dbf18ef14..ee08251090b 100644
--- a/neutron/tests/unit/services/logapi/agent/test_log_extension.py
+++ b/neutron/tests/unit/services/logapi/agent/test_log_extension.py
@@ -33,7 +33,7 @@ from neutron.tests import base
 
 class FakeLogDriver(log_ext.LoggingDriver):
 
-    SUPPORTED_LOGGING_TYPES = ['security_group']
+    SUPPORTED_LOGGING_TYPES = ('security_group',)
 
     def initialize(self, resource_rpc, **kwargs):
         pass
diff --git a/neutron/tests/unit/services/logapi/drivers/openvswitch/test_ovs_firewall_log.py b/neutron/tests/unit/services/logapi/drivers/openvswitch/test_ovs_firewall_log.py
index bc47954952a..265c41714c2 100644
--- a/neutron/tests/unit/services/logapi/drivers/openvswitch/test_ovs_firewall_log.py
+++ b/neutron/tests/unit/services/logapi/drivers/openvswitch/test_ovs_firewall_log.py
@@ -112,7 +112,7 @@ class TestOVSFirewallLoggingDriver(base.BaseTestCase):
             agent_rpc, 'LoggingApiStub', autospec=True).start()
         self.log_driver.start_logapp = mock.Mock()
         self.log_driver.initialize(resource_rpc_mock)
-        self.log_driver.SUPPORTED_LOGGING_TYPES = ['security_group']
+        self.log_driver.SUPPORTED_LOGGING_TYPES = ('security_group',)
         self.mock_bridge = self.log_driver.int_br
         self.mock_bridge.reset_mock()
         self.fake_ovs_port = FakeOVSPort('port', 1, '00:00:00:00:00:00')
diff --git a/neutron/tests/unit/services/logapi/drivers/test_base.py b/neutron/tests/unit/services/logapi/drivers/test_base.py
index 0ece2d85fbd..684517d2580 100644
--- a/neutron/tests/unit/services/logapi/drivers/test_base.py
+++ b/neutron/tests/unit/services/logapi/drivers/test_base.py
@@ -18,7 +18,7 @@ from neutron_lib.api.definitions import portbindings
 from neutron.services.logapi.drivers import base as log_base_driver
 from neutron.tests import base
 
-SUPPORTED_LOGGING_TYPES = ['security_group']
+SUPPORTED_LOGGING_TYPES = ('security_group',)
 
 
 class FakeDriver(log_base_driver.DriverBase):
diff --git a/neutron/tests/unit/services/logapi/test_logging_plugin.py b/neutron/tests/unit/services/logapi/test_logging_plugin.py
index 859829af46c..f4bb8652c9e 100644
--- a/neutron/tests/unit/services/logapi/test_logging_plugin.py
+++ b/neutron/tests/unit/services/logapi/test_logging_plugin.py
@@ -30,7 +30,7 @@ from neutron.services.logapi.common import sg_validate
 from neutron.tests.unit.services.logapi import base
 
 DB_PLUGIN_KLASS = 'neutron.db.db_base_plugin_v2.NeutronDbPluginV2'
-SUPPORTED_LOGGING_TYPES = ['security_group']
+SUPPORTED_LOGGING_TYPES = ('security_group',)
 
 
 class TestLoggingPlugin(base.BaseLogTestCase):