diff --git a/karbor/api/v1/plans.py b/karbor/api/v1/plans.py
index 3f986b59..0670487b 100644
--- a/karbor/api/v1/plans.py
+++ b/karbor/api/v1/plans.py
@@ -70,10 +70,6 @@ class PlanViewBuilder(common.ViewBuilder):
 
     _collection_name = "plans"
 
-    def __init__(self):
-        """Initialize view builder."""
-        super(PlanViewBuilder, self).__init__()
-
     def detail(self, request, plan):
         """Detailed view of a single plan."""
 
diff --git a/karbor/api/v1/protectables.py b/karbor/api/v1/protectables.py
index e339487b..693f5794 100644
--- a/karbor/api/v1/protectables.py
+++ b/karbor/api/v1/protectables.py
@@ -56,10 +56,6 @@ class ProtectableViewBuilder(common.ViewBuilder):
 
     _collection_name = "protectables"
 
-    def __init__(self):
-        """Initialize view builder."""
-        super(ProtectableViewBuilder, self).__init__()
-
     def show(self, request, protectable_type):
         """Detailed view of a single protectable_type."""
         protectable_type_ref = {
diff --git a/karbor/api/v1/providers.py b/karbor/api/v1/providers.py
index 54cc1bf6..5494e8e5 100644
--- a/karbor/api/v1/providers.py
+++ b/karbor/api/v1/providers.py
@@ -76,10 +76,6 @@ class ProviderViewBuilder(common.ViewBuilder):
 
     _collection_name = "providers"
 
-    def __init__(self):
-        """Initialize view builder."""
-        super(ProviderViewBuilder, self).__init__()
-
     def detail(self, request, provider):
         """Detailed view of a single provider."""
         provider_ref = {
@@ -130,10 +126,6 @@ class CheckpointViewBuilder(common.ViewBuilder):
 
     _collection_name = "checkpoints"
 
-    def __init__(self):
-        """Initialize view builder."""
-        super(CheckpointViewBuilder, self).__init__()
-
     def detail(self, request, checkpoint):
         """Detailed view of a single checkpoint."""
         checkpoint_ref = {
diff --git a/karbor/api/v1/restores.py b/karbor/api/v1/restores.py
index a2a3b986..93038bf4 100644
--- a/karbor/api/v1/restores.py
+++ b/karbor/api/v1/restores.py
@@ -68,10 +68,6 @@ class RestoreViewBuilder(common.ViewBuilder):
 
     _collection_name = "restores"
 
-    def __init__(self):
-        """Initialize view builder."""
-        super(RestoreViewBuilder, self).__init__()
-
     def detail(self, request, restore):
         """Detailed view of a single restore."""
         restore_ref = {
diff --git a/karbor/cmd/manage.py b/karbor/cmd/manage.py
index cab799ce..fbfe15c2 100644
--- a/karbor/cmd/manage.py
+++ b/karbor/cmd/manage.py
@@ -54,9 +54,6 @@ def args(*args, **kwargs):
 class DbCommands(object):
     """Class for managing the database."""
 
-    def __init__(self):
-        pass
-
     @args('version', nargs='?', default=None,
           help='Database version')
     def sync(self, version=None):
@@ -91,9 +88,6 @@ class DbCommands(object):
 class VersionCommands(object):
     """Class for exposing the codebase version."""
 
-    def __init__(self):
-        pass
-
     def list(self):
         print(version.version_string())
 
@@ -104,9 +98,6 @@ class VersionCommands(object):
 class ConfigCommands(object):
     """Class for exposing the flags defined by flag_file(s)."""
 
-    def __init__(self):
-        pass
-
     @args('param', nargs='?', default=None,
           help='Configuration parameter to display (default: %(default)s)')
     def list(self, param=None):
diff --git a/karbor/loadables.py b/karbor/loadables.py
index 546bac25..fc7979c4 100644
--- a/karbor/loadables.py
+++ b/karbor/loadables.py
@@ -46,6 +46,7 @@ from karbor import exception
 
 class BaseLoader(object):
     def __init__(self, loadable_cls_type):
+        super(BaseLoader, self).__init__()
         mod = sys.modules[self.__class__.__module__]
         self.path = os.path.abspath(mod.__path__[0])
         self.package = mod.__package__
diff --git a/karbor/rpc.py b/karbor/rpc.py
index 12ec4e4a..18a40c60 100644
--- a/karbor/rpc.py
+++ b/karbor/rpc.py
@@ -92,6 +92,7 @@ class RequestContextSerializer(messaging.Serializer):
 
     def __init__(self, base):
         self._base = base
+        super(RequestContextSerializer, self).__init__()
 
     def serialize_entity(self, context, entity):
         if not self._base:
diff --git a/karbor/service.py b/karbor/service.py
index 7404c234..56b1f913 100644
--- a/karbor/service.py
+++ b/karbor/service.py
@@ -330,6 +330,7 @@ class WSGIService(service.ServiceBase):
                                   self.app,
                                   host=self.host,
                                   port=self.port)
+        super(WSGIService, self).__init__()
 
     def _get_manager(self):
         """Initialize a Manager object appropriate for this service.
@@ -431,6 +432,7 @@ def wait():
 
 class Launcher(object):
     def __init__(self):
+        super(Launcher, self).__init__()
         self.launch_service = serve
         self.wait = wait
 
diff --git a/karbor/services/operationengine/engine/executors/base.py b/karbor/services/operationengine/engine/executors/base.py
index 882fea36..44afc48c 100644
--- a/karbor/services/operationengine/engine/executors/base.py
+++ b/karbor/services/operationengine/engine/executors/base.py
@@ -23,6 +23,7 @@ import six
 class BaseExecutor(object):
     def __init__(self, operation_manager):
         self._operation_manager = operation_manager
+        super(BaseExecutor, self).__init__()
 
     @abstractmethod
     def execute_operation(self, operation_id, triggered_time,
diff --git a/karbor/services/operationengine/engine/executors/scheduled_operation_executor.py b/karbor/services/operationengine/engine/executors/scheduled_operation_executor.py
index 8f2c844a..d36bdefa 100644
--- a/karbor/services/operationengine/engine/executors/scheduled_operation_executor.py
+++ b/karbor/services/operationengine/engine/executors/scheduled_operation_executor.py
@@ -32,9 +32,6 @@ class ScheduledOperationExecutor(base.BaseExecutor):
         'is_canceled': 'is_canceled'
     }
 
-    def __init__(self, operation_manager):
-        super(ScheduledOperationExecutor, self).__init__(operation_manager)
-
     def execute_operation(self, operation_id, triggered_time,
                           expect_start_time, window_time, **kwargs):
 
diff --git a/karbor/services/operationengine/engine/triggers/timetrigger/time_trigger.py b/karbor/services/operationengine/engine/triggers/timetrigger/time_trigger.py
index 28f3a60c..b8793a82 100644
--- a/karbor/services/operationengine/engine/triggers/timetrigger/time_trigger.py
+++ b/karbor/services/operationengine/engine/triggers/timetrigger/time_trigger.py
@@ -50,6 +50,7 @@ LOG = logging.getLogger(__name__)
 
 class TriggerOperationGreenThread(object):
     def __init__(self, first_run_time, function):
+        super(TriggerOperationGreenThread, self).__init__()
         self._is_sleeping = True
         self._pre_run_time = None
         self._running = False
diff --git a/karbor/services/operationengine/engine/triggers/timetrigger/timeformats/crontab_time.py b/karbor/services/operationengine/engine/triggers/timetrigger/timeformats/crontab_time.py
index 18d37278..e11467c8 100644
--- a/karbor/services/operationengine/engine/triggers/timetrigger/timeformats/crontab_time.py
+++ b/karbor/services/operationengine/engine/triggers/timetrigger/timeformats/crontab_time.py
@@ -25,6 +25,7 @@ class Crontab(timeformats.TimeFormat):
     def __init__(self, start_time, pattern):
         self._start_time = start_time
         self._pattern = pattern
+        super(Crontab, self).__init__(start_time, pattern)
 
     @classmethod
     def check_time_format(cls, pattern):
diff --git a/karbor/services/operationengine/operation_manager.py b/karbor/services/operationengine/operation_manager.py
index 996512dc..3e436b64 100644
--- a/karbor/services/operationengine/operation_manager.py
+++ b/karbor/services/operationengine/operation_manager.py
@@ -22,6 +22,7 @@ from karbor.services.operationengine import operations
 class OperationManager(object):
     """Manage all operation classes which are defined at operations dir."""
     def __init__(self, user_trust_manager):
+        super(OperationManager, self).__init__()
         self._user_trust_manager = user_trust_manager
         all_ops = operations.all_operations()
         self._ops_map = {op.OPERATION_TYPE: op(self._user_trust_manager)
diff --git a/karbor/services/operationengine/operations/base.py b/karbor/services/operationengine/operations/base.py
index 11b2382c..d75ff498 100644
--- a/karbor/services/operationengine/operations/base.py
+++ b/karbor/services/operationengine/operations/base.py
@@ -46,6 +46,7 @@ class Operation(object):
     OPERATION_TYPE = ""
 
     def __init__(self, user_trust_manager):
+        super(Operation, self).__init__()
         self._user_trust_manager = user_trust_manager
         self._karbor_endpoint = None
 
diff --git a/karbor/services/operationengine/operations/protect_operation.py b/karbor/services/operationengine/operations/protect_operation.py
index 262b2eca..f4eb1c11 100644
--- a/karbor/services/operationengine/operations/protect_operation.py
+++ b/karbor/services/operationengine/operations/protect_operation.py
@@ -25,9 +25,6 @@ class ProtectOperation(base.Operation):
 
     OPERATION_TYPE = "protect"
 
-    def __init__(self, user_trust_manager):
-        super(ProtectOperation, self).__init__(user_trust_manager)
-
     def check_operation_definition(self, operation_definition):
         provider_id = operation_definition.get("provider_id")
         if not provider_id or not uuidutils.is_uuid_like(provider_id):
diff --git a/karbor/services/operationengine/user_trust_manager.py b/karbor/services/operationengine/user_trust_manager.py
index b1d5c5b7..a9fea1cd 100644
--- a/karbor/services/operationengine/user_trust_manager.py
+++ b/karbor/services/operationengine/user_trust_manager.py
@@ -20,6 +20,7 @@ LOG = logging.getLogger(__name__)
 
 class UserTrustManager(object):
     def __init__(self):
+        super(UserTrustManager, self).__init__()
         self._user_trust_map = {}
         self._skp = karbor_keystone_plugin.KarborKeystonePlugin()
 
diff --git a/karbor/services/protection/bank_plugin.py b/karbor/services/protection/bank_plugin.py
index d0905809..882f75b5 100644
--- a/karbor/services/protection/bank_plugin.py
+++ b/karbor/services/protection/bank_plugin.py
@@ -37,6 +37,7 @@ class LeasePlugin(object):
 @six.add_metaclass(abc.ABCMeta)
 class BankPlugin(object):
     def __init__(self, config=None):
+        super(BankPlugin, self).__init__()
         self._config = config
 
     @abc.abstractmethod
@@ -74,6 +75,7 @@ class Bank(object):
     _KEY_DOT_VALIDATION = re.compile('/\.{1,2}(/|$)')
 
     def __init__(self, plugin):
+        super(Bank, self).__init__()
         self._plugin = plugin
 
     def _normalize_key(self, key):
@@ -160,6 +162,7 @@ class BankSection(object):
     _SECTION_DOT_VALIDATION = re.compile('/\.{1,2}(/|$)')
 
     def __init__(self, bank, section, is_writable=True):
+        super(BankSection, self).__init__()
         self._validate_section(section)
 
         self._bank = bank
diff --git a/karbor/services/protection/checkpoint.py b/karbor/services/protection/checkpoint.py
index 252779ea..5ff36d7c 100644
--- a/karbor/services/protection/checkpoint.py
+++ b/karbor/services/protection/checkpoint.py
@@ -34,6 +34,7 @@ class Checkpoint(object):
 
     def __init__(self, checkpoint_section, indices_section,
                  bank_lease, checkpoint_id):
+        super(Checkpoint, self).__init__()
         self._id = checkpoint_id
         self._checkpoint_section = checkpoint_section
         self._indices_section = indices_section
diff --git a/karbor/services/protection/flows/delete.py b/karbor/services/protection/flows/delete.py
index bf9ea0b1..fa71d2d9 100644
--- a/karbor/services/protection/flows/delete.py
+++ b/karbor/services/protection/flows/delete.py
@@ -19,9 +19,6 @@ LOG = logging.getLogger(__name__)
 
 
 class InitiateDeleteTask(task.Task):
-    def __init__(self):
-        super(InitiateDeleteTask, self).__init__()
-
     def execute(self, checkpoint, *args, **kwargs):
         LOG.debug("Initiate delete checkpoint_id: %s", checkpoint.id)
         checkpoint.status = constants.CHECKPOINT_STATUS_DELETING
@@ -34,9 +31,6 @@ class InitiateDeleteTask(task.Task):
 
 
 class CompleteDeleteTask(task.Task):
-    def __init__(self, *args, **kwargs):
-        super(CompleteDeleteTask, self).__init__(*args, **kwargs)
-
     def execute(self, checkpoint):
         LOG.debug("Complete delete checkpoint_id: %s", checkpoint.id)
         checkpoint.delete()
diff --git a/karbor/services/protection/flows/protect.py b/karbor/services/protection/flows/protect.py
index f4fa9de1..6c7ed1d6 100644
--- a/karbor/services/protection/flows/protect.py
+++ b/karbor/services/protection/flows/protect.py
@@ -20,9 +20,6 @@ LOG = logging.getLogger(__name__)
 
 
 class InitiateProtectTask(task.Task):
-    def __init__(self):
-        super(InitiateProtectTask, self).__init__()
-
     def execute(self, checkpoint, *args, **kwargs):
         LOG.debug("Initiate protect checkpoint_id: %s", checkpoint.id)
         checkpoint.status = constants.CHECKPOINT_STATUS_PROTECTING
@@ -35,9 +32,6 @@ class InitiateProtectTask(task.Task):
 
 
 class CompleteProtectTask(task.Task):
-    def __init__(self):
-        super(CompleteProtectTask, self).__init__()
-
     def execute(self, checkpoint):
         LOG.debug("Complete protect checkpoint_id: %s", checkpoint.id)
         checkpoint.status = constants.CHECKPOINT_STATUS_AVAILABLE
diff --git a/karbor/services/protection/flows/restore.py b/karbor/services/protection/flows/restore.py
index 5492a262..403c2ce4 100644
--- a/karbor/services/protection/flows/restore.py
+++ b/karbor/services/protection/flows/restore.py
@@ -35,9 +35,6 @@ LOG = logging.getLogger(__name__)
 
 
 class InitiateRestoreTask(task.Task):
-    def __init__(self):
-        super(InitiateRestoreTask, self).__init__()
-
     def execute(self, restore, *args, **kwargs):
         LOG.debug("Initiate restore restore_id: %s", restore.id)
         restore['status'] = constants.RESTORE_STATUS_IN_PROGRESS
@@ -50,9 +47,6 @@ class InitiateRestoreTask(task.Task):
 
 
 class CompleteRestoreTask(task.Task):
-    def __init__(self):
-        super(CompleteRestoreTask, self).__init__()
-
     def execute(self, restore, *args, **kwargs):
         LOG.debug("Complete restore restore_id: %s", restore.id)
         restore['status'] = constants.RESTORE_STATUS_SUCCESS
@@ -62,9 +56,6 @@ class CompleteRestoreTask(task.Task):
 class CreateHeatTask(task.Task):
     default_provides = ['heat_client', 'heat_template']
 
-    def __init__(self, *args, **kwargs):
-        super(CreateHeatTask, self).__init__(*args, **kwargs)
-
     def execute(self, context, heat_conf):
         LOG.info('Creating Heat template. Target: "%s"'
                  % heat_conf.get('auth_url', '(None)'))
@@ -79,9 +70,6 @@ class CreateHeatTask(task.Task):
 class CreateStackTask(task.Task):
     default_provides = 'stack_id'
 
-    def __init__(self, *args, **kwargs):
-        super(CreateStackTask, self).__init__(*args, **kwargs)
-
     def execute(self, heat_client, heat_template):
         stack_name = "restore_%s" % uuidutils.generate_uuid()
         if heat_template.len() == 0:
@@ -100,10 +88,6 @@ class CreateStackTask(task.Task):
 
 
 class SyncRestoreStatusTask(task.Task):
-
-    def __init__(self, *args, **kwargs):
-        super(SyncRestoreStatusTask, self).__init__(*args, **kwargs)
-
     def execute(self, stack_id, heat_client, restore):
         if stack_id is None:
             LOG.info('Not syncing Heat stack status, stack is empty')
diff --git a/karbor/services/protection/flows/worker.py b/karbor/services/protection/flows/worker.py
index a9c56354..39afbcb7 100644
--- a/karbor/services/protection/flows/worker.py
+++ b/karbor/services/protection/flows/worker.py
@@ -36,6 +36,7 @@ CONF.register_opts(workflow_opts)
 
 class Worker(object):
     def __init__(self, engine_path=None):
+        super(Worker, self).__init__()
         try:
             self.workflow_engine = self._load_engine(engine_path)
         except Exception:
diff --git a/karbor/services/protection/flows/workflow.py b/karbor/services/protection/flows/workflow.py
index 336ec158..0eedb1e9 100644
--- a/karbor/services/protection/flows/workflow.py
+++ b/karbor/services/protection/flows/workflow.py
@@ -87,9 +87,6 @@ class WorkFlowEngine(object):
 
 
 class TaskFlowEngine(WorkFlowEngine):
-    def __init__(self):
-        super(TaskFlowEngine, self).__init__()
-
     def build_flow(self, flow_name, flow_type='graph'):
         if flow_type == 'linear':
             return linear_flow.Flow(flow_name)
diff --git a/karbor/services/protection/graph.py b/karbor/services/protection/graph.py
index eab70316..e6c25f3c 100644
--- a/karbor/services/protection/graph.py
+++ b/karbor/services/protection/graph.py
@@ -111,6 +111,7 @@ class GraphWalkerListener(object):
 
 class GraphWalker(object):
     def __init__(self):
+        super(GraphWalker, self).__init__()
         self._listeners = []
 
     def register_listener(self, graph_walker_listener):
diff --git a/karbor/services/protection/protectable_plugin.py b/karbor/services/protection/protectable_plugin.py
index 7b222944..0d396859 100644
--- a/karbor/services/protection/protectable_plugin.py
+++ b/karbor/services/protection/protectable_plugin.py
@@ -21,6 +21,7 @@ class ProtectablePlugin(object):
     """
 
     def __init__(self, context=None):
+        super(ProtectablePlugin, self).__init__()
         self._context = context
 
     def instance(self, context):
diff --git a/karbor/services/protection/protectable_registry.py b/karbor/services/protection/protectable_registry.py
index 20cc0da4..073eba9a 100644
--- a/karbor/services/protection/protectable_registry.py
+++ b/karbor/services/protection/protectable_registry.py
@@ -31,6 +31,7 @@ def _raise_extension_exception(extmanager, ep, err):
 class ProtectableRegistry(object):
 
     def __init__(self):
+        super(ProtectableRegistry, self).__init__()
         self._protectable_map = {}
         self._plugin_map = {}
 
diff --git a/karbor/services/protection/protection_plugin.py b/karbor/services/protection/protection_plugin.py
index ef3e71ed..85235972 100644
--- a/karbor/services/protection/protection_plugin.py
+++ b/karbor/services/protection/protection_plugin.py
@@ -12,9 +12,6 @@
 
 
 class Operation(object):
-    def __init__(self):
-        super(Operation, self).__init__()
-
     def on_prepare_begin(self, checkpoint, resource, context, parameters,
                          **kwargs):
         """on_prepare_begin hook runs before any child resource's hooks run
@@ -73,6 +70,7 @@ class Operation(object):
 
 class ProtectionPlugin(object):
     def __init__(self, config=None):
+        super(ProtectionPlugin, self).__init__()
         self._config = config
 
     def get_protect_operation(self, resource):
diff --git a/karbor/services/protection/protection_plugins/image/image_protection_plugin.py b/karbor/services/protection/protection_plugins/image/image_protection_plugin.py
index 570cd73d..f9f574be 100644
--- a/karbor/services/protection/protection_plugins/image/image_protection_plugin.py
+++ b/karbor/services/protection/protection_plugins/image/image_protection_plugin.py
@@ -173,9 +173,6 @@ class ProtectOperation(protection_plugin.Operation):
 
 
 class DeleteOperation(protection_plugin.Operation):
-    def __init__(self):
-        super(DeleteOperation, self).__init__()
-
     def on_main(self, checkpoint, resource, context, parameters, **kwargs):
         image_id = resource.id
         bank_section = checkpoint.get_resource_bank_section(image_id)
@@ -275,6 +272,7 @@ class RestoreOperation(protection_plugin.Operation):
 
 class ImageBankIO(object):
         def __init__(self, bank_section, sorted_objects):
+            super(ImageBankIO, self).__init__()
             self.bank_section = bank_section
             self.sorted_objects = sorted_objects
             self.obj_size = len(sorted_objects)
diff --git a/karbor/services/protection/protection_plugins/noop_plugin.py b/karbor/services/protection/protection_plugins/noop_plugin.py
index fa6405c7..a31077af 100644
--- a/karbor/services/protection/protection_plugins/noop_plugin.py
+++ b/karbor/services/protection/protection_plugins/noop_plugin.py
@@ -15,9 +15,6 @@ from karbor.services.protection import protection_plugin
 
 
 class NoopOperation(protection_plugin.Operation):
-    def __init__(self):
-        super(NoopOperation, self).__init__()
-
     def on_prepare_begin(self, *args, **kwargs):
         pass
 
@@ -32,9 +29,6 @@ class NoopOperation(protection_plugin.Operation):
 
 
 class NoopProtectionPlugin(protection_plugin.ProtectionPlugin):
-    def __init__(self, config=None):
-        super(NoopProtectionPlugin, self).__init__(config)
-
     def get_protect_operation(self, resource):
         return NoopOperation()
 
diff --git a/karbor/services/protection/protection_plugins/server/nova_protection_plugin.py b/karbor/services/protection/protection_plugins/server/nova_protection_plugin.py
index 61cfa782..46457664 100644
--- a/karbor/services/protection/protection_plugins/server/nova_protection_plugin.py
+++ b/karbor/services/protection/protection_plugins/server/nova_protection_plugin.py
@@ -30,9 +30,6 @@ FLOATING_IP_ASSOCIATION = 'OS::Nova::FloatingIPAssociation'
 
 
 class ProtectOperation(protection_plugin.Operation):
-    def __init__(self):
-        super(ProtectOperation, self).__init__()
-
     def on_main(self, checkpoint, resource, context, parameters, **kwargs):
         server_id = resource.id
         bank_section = checkpoint.get_resource_bank_section(server_id)
@@ -144,9 +141,6 @@ class ProtectOperation(protection_plugin.Operation):
 
 
 class DeleteOperation(protection_plugin.Operation):
-    def __init__(self):
-        super(DeleteOperation, self).__init__()
-
     def on_main(self, checkpoint, resource, context, parameters, **kwargs):
         resource_id = resource.id
         bank_section = checkpoint.get_resource_bank_section(resource_id)
@@ -176,9 +170,6 @@ class DeleteOperation(protection_plugin.Operation):
 
 
 class RestoreOperation(protection_plugin.Operation):
-    def __init__(self):
-        super(RestoreOperation, self).__init__()
-
     def on_complete(self, checkpoint, resource, context, parameters, **kwargs):
         original_server_id = resource.id
         heat_template = kwargs.get("heat_template")
@@ -322,9 +313,6 @@ class RestoreOperation(protection_plugin.Operation):
 class NovaProtectionPlugin(protection_plugin.ProtectionPlugin):
     _SUPPORT_RESOURCE_TYPES = [constants.SERVER_RESOURCE_TYPE]
 
-    def __init__(self, config=None):
-        super(NovaProtectionPlugin, self).__init__(config)
-
     @classmethod
     def get_supported_resources_types(cls):
         return cls._SUPPORT_RESOURCE_TYPES
diff --git a/karbor/services/protection/protection_plugins/volume/cinder_protection_plugin.py b/karbor/services/protection/protection_plugins/volume/cinder_protection_plugin.py
index 46fe5807..668908b4 100644
--- a/karbor/services/protection/protection_plugins/volume/cinder_protection_plugin.py
+++ b/karbor/services/protection/protection_plugins/volume/cinder_protection_plugin.py
@@ -267,9 +267,6 @@ class ProtectOperation(protection_plugin.Operation):
 
 
 class RestoreOperation(protection_plugin.Operation):
-    def __init__(self):
-        super(RestoreOperation, self).__init__()
-
     def on_main(self, checkpoint, resource, context, parameters, heat_template,
                 **kwargs):
         resource_id = resource.id
diff --git a/karbor/services/protection/restore_heat.py b/karbor/services/protection/restore_heat.py
index 00e4d6d6..debba125 100644
--- a/karbor/services/protection/restore_heat.py
+++ b/karbor/services/protection/restore_heat.py
@@ -22,6 +22,7 @@ LOG = logging.getLogger(__name__)
 
 class HeatResource(object):
     def __init__(self, resource_id, type):
+        super(HeatResource, self).__init__()
         self.resource_id = resource_id
         self._type = type
         self._properties = {}
@@ -44,6 +45,7 @@ class HeatTemplate(object):
     description = "karbor restore template"
 
     def __init__(self):
+        super(HeatTemplate, self).__init__()
         self._resources = []
         self._original_id_resource_map = {}
         self._original_id_parameter_map = {}
diff --git a/karbor/tests/base.py b/karbor/tests/base.py
index 98f1659a..5715e092 100644
--- a/karbor/tests/base.py
+++ b/karbor/tests/base.py
@@ -34,6 +34,7 @@ _DB_CACHE = None
 class Database(fixtures.Fixture):
 
     def __init__(self, db_api, db_migrate, sql_connection):
+        super(Database, self).__init__()
         self.sql_connection = sql_connection
 
         # Suppress logging for test runs
diff --git a/karbor/tests/fullstack/karbor_base.py b/karbor/tests/fullstack/karbor_base.py
index 275aee8d..f5b49524 100644
--- a/karbor/tests/fullstack/karbor_base.py
+++ b/karbor/tests/fullstack/karbor_base.py
@@ -122,6 +122,7 @@ class ObjectStore(object):
     """
 
     def __init__(self):
+        super(ObjectStore, self).__init__()
         self._close_funcs = []
 
     def store(self, obj, close_func=None):
diff --git a/karbor/tests/fullstack/karbor_objects.py b/karbor/tests/fullstack/karbor_objects.py
index dd9233b7..1584bb15 100644
--- a/karbor/tests/fullstack/karbor_objects.py
+++ b/karbor/tests/fullstack/karbor_objects.py
@@ -30,6 +30,7 @@ DEFAULT_NETWORK = "private"
 
 class Checkpoint(object):
     def __init__(self):
+        super(Checkpoint, self).__init__()
         self.id = None
         self._provider_id = None
         self.karbor_client = base._get_karbor_client()
@@ -69,6 +70,7 @@ class Plan(object):
     _name_id = 0
 
     def __init__(self):
+        super(Plan, self).__init__()
         self.id = None
         self.karbor_client = base._get_karbor_client()
 
@@ -104,6 +106,7 @@ class Plan(object):
 
 class Restore(object):
     def __init__(self):
+        super(Restore, self).__init__()
         self.id = None
         self.karbor_client = base._get_karbor_client()
 
@@ -138,6 +141,7 @@ class Trigger(object):
     _name_id = 0
 
     def __init__(self):
+        super(Trigger, self).__init__()
         self.id = None
         self.karbor_client = base._get_karbor_client()
 
@@ -163,6 +167,7 @@ class ScheduledOperation(object):
     _name_id = 0
 
     def __init__(self):
+        super(ScheduledOperation, self).__init__()
         self.id = None
         self.karbor_client = base._get_karbor_client()
 
@@ -194,6 +199,7 @@ class Server(object):
     _name_id = 0
 
     def __init__(self):
+        super(Server, self).__init__()
         self.id = None
         self._name = None
         self.nova_client = base._get_nova_client()
@@ -304,6 +310,7 @@ class Volume(object):
     _name_id = 0
 
     def __init__(self):
+        super(Volume, self).__init__()
         self.id = None
         self._name = None
         self.cinder_client = base._get_cinder_client()
@@ -366,6 +373,7 @@ class Share(object):
     _name_id = 0
 
     def __init__(self):
+        super(Share, self).__init__()
         self.id = None
         self._name = None
         self.manila_client = base._get_manila_client()
diff --git a/karbor/tests/unit/api/v1/test_scheduled_operation.py b/karbor/tests/unit/api/v1/test_scheduled_operation.py
index b4566b60..2dbfa1c5 100644
--- a/karbor/tests/unit/api/v1/test_scheduled_operation.py
+++ b/karbor/tests/unit/api/v1/test_scheduled_operation.py
@@ -25,6 +25,7 @@ from karbor.tests.unit.api.v1 import test_triggers
 
 class FakeRemoteOperationApi(object):
     def __init__(self):
+        super(FakeRemoteOperationApi, self).__init__()
         self._create_operation_exception = None
         self._delete_operation_exception = None
 
diff --git a/karbor/tests/unit/clients/test_eisoo.py b/karbor/tests/unit/clients/test_eisoo.py
index c1a6feac..964d28dd 100644
--- a/karbor/tests/unit/clients/test_eisoo.py
+++ b/karbor/tests/unit/clients/test_eisoo.py
@@ -21,6 +21,7 @@ from karbor.tests import base
 
 class FakeConfig(object):
     def __init__(self):
+        super(FakeConfig, self).__init__()
         self.eisoo_client = EisooClient()
 
     def __call__(self, args):
@@ -32,6 +33,7 @@ class FakeConfig(object):
 
 class EisooClient(object):
     def __init__(self):
+        super(EisooClient, self).__init__()
         self.eisoo_endpoint = 'eisoo_endpoint'
         self.eisoo_app_id = 'eisoo_app_id'
         self.eisoo_app_secret = 'eisoo_app_secret'
diff --git a/karbor/tests/unit/objects/test_scheduled_operation_state.py b/karbor/tests/unit/objects/test_scheduled_operation_state.py
index 84f6a447..3ce841a3 100644
--- a/karbor/tests/unit/objects/test_scheduled_operation_state.py
+++ b/karbor/tests/unit/objects/test_scheduled_operation_state.py
@@ -108,6 +108,7 @@ class TestScheduledOperationStateList(test_objects.BaseObjectsTestCase):
 class FakeEnv(object):
 
     def __init__(self, ctx):
+        super(FakeEnv, self).__init__()
         self.context = ctx
 
     def do_init(self):
diff --git a/karbor/tests/unit/operationengine/engine/executors/test_green_thread_executor.py b/karbor/tests/unit/operationengine/engine/executors/test_green_thread_executor.py
index 5e125930..0f6c30ba 100644
--- a/karbor/tests/unit/operationengine/engine/executors/test_green_thread_executor.py
+++ b/karbor/tests/unit/operationengine/engine/executors/test_green_thread_executor.py
@@ -25,6 +25,7 @@ from karbor.tests import base
 
 class FakeOperationManager(object):
     def __init__(self):
+        super(FakeOperationManager, self).__init__()
         self._op_id = 0
 
     def run_operation(self, operation_type, operation_definition, **kwargs):
diff --git a/karbor/tests/unit/operationengine/engine/triggers/test_trigger_manager.py b/karbor/tests/unit/operationengine/engine/triggers/test_trigger_manager.py
index dcbe9b2e..c049554e 100644
--- a/karbor/tests/unit/operationengine/engine/triggers/test_trigger_manager.py
+++ b/karbor/tests/unit/operationengine/engine/triggers/test_trigger_manager.py
@@ -22,6 +22,8 @@ from karbor.tests import base
 
 class FakeTrigger(triggers.BaseTrigger):
     def __init__(self, trigger_id, trigger_property, executor):
+        super(FakeTrigger, self).__init__(trigger_id, trigger_property,
+                                          executor)
         self._ops = set()
 
     def shutdown(self):
diff --git a/karbor/tests/unit/operationengine/engine/triggers/timetrigger/test_time_trigger.py b/karbor/tests/unit/operationengine/engine/triggers/timetrigger/test_time_trigger.py
index 009123bc..25c1ab76 100644
--- a/karbor/tests/unit/operationengine/engine/triggers/timetrigger/test_time_trigger.py
+++ b/karbor/tests/unit/operationengine/engine/triggers/timetrigger/test_time_trigger.py
@@ -24,7 +24,7 @@ from karbor.tests import base
 
 class FakeTimeFormat(object):
     def __init__(self, start_time, pattern):
-        pass
+        super(FakeTimeFormat, self).__init__()
 
     @classmethod
     def check_time_format(cls, pattern):
@@ -39,6 +39,7 @@ class FakeTimeFormat(object):
 
 class FakeExecutor(object):
     def __init__(self):
+        super(FakeExecutor, self).__init__()
         self._ops = {}
 
     def execute_operation(self, operation_id, triggered_time,
diff --git a/karbor/tests/unit/operationengine/operations/test_protect_operation.py b/karbor/tests/unit/operationengine/operations/test_protect_operation.py
index 4162d04a..eff5e2a9 100644
--- a/karbor/tests/unit/operationengine/operations/test_protect_operation.py
+++ b/karbor/tests/unit/operationengine/operations/test_protect_operation.py
@@ -40,6 +40,7 @@ class FakeCheckPoint(object):
 
 class FakeKarborClient(object):
     def __init__(self):
+        super(FakeKarborClient, self).__init__()
         self._check_point = FakeCheckPoint()
 
     @property
diff --git a/karbor/tests/unit/operationengine/test_manager.py b/karbor/tests/unit/operationengine/test_manager.py
index c2dd5b8e..91330fdc 100644
--- a/karbor/tests/unit/operationengine/test_manager.py
+++ b/karbor/tests/unit/operationengine/test_manager.py
@@ -24,6 +24,7 @@ from karbor.tests import base
 class FakeTriggerManager(object):
 
     def __init__(self):
+        super(FakeTriggerManager, self).__init__()
         self._trigger = {}
 
     def register_operation(self, trigger_id, operation_id, **kwargs):
diff --git a/karbor/tests/unit/protection/fake_clients.py b/karbor/tests/unit/protection/fake_clients.py
index 1b01a736..c246a241 100644
--- a/karbor/tests/unit/protection/fake_clients.py
+++ b/karbor/tests/unit/protection/fake_clients.py
@@ -39,4 +39,5 @@ class FakeHeatClient(object):
             return FakeStacks[stack_id]
 
     def __init__(self):
+        super(FakeHeatClient, self).__init__()
         self.stacks = self.Stacks()
diff --git a/karbor/tests/unit/protection/fake_swift_client.py b/karbor/tests/unit/protection/fake_swift_client.py
index 5f5df7da..e0d9da38 100644
--- a/karbor/tests/unit/protection/fake_swift_client.py
+++ b/karbor/tests/unit/protection/fake_swift_client.py
@@ -18,7 +18,7 @@ from swiftclient import ClientException
 
 class FakeSwiftClient(object):
     def __init__(self, *args, **kwargs):
-        pass
+        super(FakeSwiftClient, self).__init__()
 
     @classmethod
     def connection(cls, *args, **kargs):
@@ -27,6 +27,7 @@ class FakeSwiftClient(object):
 
 class FakeSwiftConnection(object):
     def __init__(self, *args, **kwargs):
+        super(FakeSwiftConnection, self).__init__()
         self.swiftdir = tempfile.mkdtemp()
         self.object_headers = {}
 
diff --git a/karbor/tests/unit/protection/fakes.py b/karbor/tests/unit/protection/fakes.py
index 5e9fc5f4..d28c04f6 100644
--- a/karbor/tests/unit/protection/fakes.py
+++ b/karbor/tests/unit/protection/fakes.py
@@ -70,6 +70,7 @@ def fake_protection_plan():
                        }
     return protection_plan
 
+
 plan_resources = [A, B, C, D]
 
 
@@ -193,6 +194,7 @@ class FakeProtectionPlugin(protection_plugin.ProtectionPlugin):
 
 class FakeCheckpoint(object):
     def __init__(self):
+        super(FakeCheckpoint, self).__init__()
         self.id = 'fake_checkpoint'
         self.status = 'available'
         self.resource_graph = resource_graph
@@ -241,9 +243,6 @@ class FakeProvider(provider.PluggableProtectionProvider):
 
 
 class FakeFlowEngine(object):
-    def __init__(self):
-        super(FakeFlowEngine, self).__init__()
-
     def create_task(self, function, requires=None, provides=None,
                     inject=None, **kwargs):
         name = kwargs.get('name', None)
diff --git a/karbor/tests/unit/protection/test_cinder_protection_plugin.py b/karbor/tests/unit/protection/test_cinder_protection_plugin.py
index 061b7107..13d91aee 100644
--- a/karbor/tests/unit/protection/test_cinder_protection_plugin.py
+++ b/karbor/tests/unit/protection/test_cinder_protection_plugin.py
@@ -62,6 +62,7 @@ def call_hooks(operation, checkpoint, resource, context, parameters, **kwargs):
 
 class FakeCheckpoint(object):
     def __init__(self, section):
+        super(FakeCheckpoint, self).__init__()
         self.bank_section = section
         self.id = "fake_id"
 
@@ -71,6 +72,7 @@ class FakeCheckpoint(object):
 
 class BackupResponse(object):
     def __init__(self, bkup_id, final_status, working_status, time_to_work):
+        super(BackupResponse, self).__init__()
         self._final_status = final_status
         self._working_status = working_status
         self._time_to_work = time_to_work
diff --git a/karbor/tests/unit/protection/test_glance_protection_plugin.py b/karbor/tests/unit/protection/test_glance_protection_plugin.py
index 03eb9c34..b3c12497 100644
--- a/karbor/tests/unit/protection/test_glance_protection_plugin.py
+++ b/karbor/tests/unit/protection/test_glance_protection_plugin.py
@@ -81,6 +81,7 @@ def call_hooks(operation, checkpoint, resource, context, parameters, **kwargs):
 
 class CheckpointCollection(object):
     def __init__(self):
+        super(CheckpointCollection, self).__init__()
         self.bank_section = fake_bank_section
 
     def get_resource_bank_section(self, resource_id):
diff --git a/karbor/tests/unit/protection/test_graph.py b/karbor/tests/unit/protection/test_graph.py
index 8edef112..53ff41e9 100644
--- a/karbor/tests/unit/protection/test_graph.py
+++ b/karbor/tests/unit/protection/test_graph.py
@@ -197,6 +197,7 @@ class GraphBuilderTest(base.TestCase):
 
 class _TestGraphWalkerListener(graph.GraphWalkerListener):
     def __init__(self, expected_event_stream, test):
+        super(_TestGraphWalkerListener, self).__init__()
         # Because the testing famework is badly designed
         # I need to have a reference to the test to raise assertions
         self._test = test
diff --git a/karbor/tests/unit/protection/test_nova_protection_plugin.py b/karbor/tests/unit/protection/test_nova_protection_plugin.py
index aea56bf6..5e3dd858 100644
--- a/karbor/tests/unit/protection/test_nova_protection_plugin.py
+++ b/karbor/tests/unit/protection/test_nova_protection_plugin.py
@@ -30,6 +30,7 @@ import mock
 class Server(object):
     def __init__(self, id, addresses, availability_zone,
                  flavor, key_name, security_groups):
+        super(Server, self).__init__()
         self.id = id
         self.addresses = addresses
         self.__setattr__("OS-EXT-AZ:availability_zone", availability_zone)
@@ -41,6 +42,7 @@ class Server(object):
 class Volume(object):
     def __init__(self, id, volume_type, status, bootable,
                  attachments, name=None):
+        super(Volume, self).__init__()
         self.id = id
         self.volume_type = volume_type
         self.status = status
@@ -51,6 +53,7 @@ class Volume(object):
 
 class Image(object):
     def __init__(self, id, status, disk_format, container_format):
+        super(Image, self).__init__()
         self.id = id
         self.status = status
         self.disk_format = disk_format
@@ -152,6 +155,7 @@ class FakeNovaClient(object):
             return None
 
     def __init__(self):
+        super(FakeNovaClient, self).__init__()
         self.servers = self.Servers()
 
 
@@ -171,6 +175,7 @@ class FakeGlanceClient(object):
             return None
 
     def __init__(self):
+        super(FakeGlanceClient, self).__init__()
         self.images = self.Images()
 
 
@@ -186,6 +191,7 @@ class FakeCinderClient(object):
             return None
 
     def __init__(self):
+        super(FakeCinderClient, self).__init__()
         self.volumes = self.Volumes()
 
 
@@ -241,6 +247,7 @@ ResourceNode = collections.namedtuple(
 
 class Checkpoint(object):
     def __init__(self):
+        super(Checkpoint, self).__init__()
         self.id = "checkpoint_id"
         self.graph = []
 
diff --git a/karbor/tests/unit/protection/test_swift_bank_plugin.py b/karbor/tests/unit/protection/test_swift_bank_plugin.py
index 2fb96f0e..cf13b44f 100644
--- a/karbor/tests/unit/protection/test_swift_bank_plugin.py
+++ b/karbor/tests/unit/protection/test_swift_bank_plugin.py
@@ -25,6 +25,7 @@ CONF = cfg.CONF
 
 class FakeConf(object):
     def __init__(self):
+        super(FakeConf, self).__init__()
         self.lease_expire_window = 600
         self.lease_renew_window = 120
         self.lease_validity_window = 100
diff --git a/karbor/wsgi/common.py b/karbor/wsgi/common.py
index 2bbc3fcc..130451b0 100644
--- a/karbor/wsgi/common.py
+++ b/karbor/wsgi/common.py
@@ -133,6 +133,7 @@ class Middleware(Application):
         return _factory
 
     def __init__(self, application):
+        super(Middleware, self).__init__()
         self.application = application
 
     def process_request(self, req):
diff --git a/tools/install_venv_common.py b/tools/install_venv_common.py
index e279159a..3a21b065 100644
--- a/tools/install_venv_common.py
+++ b/tools/install_venv_common.py
@@ -35,6 +35,7 @@ class InstallVenv(object):
     def __init__(self, root, venv, requirements,
                  test_requirements, py_version,
                  project):
+        super(InstallVenv, self).__init__()
         self.root = root
         self.venv = venv
         self.requirements = requirements