diff --git a/nova/api/openstack/compute/plugins/v3/agents.py b/nova/api/openstack/compute/plugins/v3/agents.py
index e198849c3d..ae8bb3a223 100644
--- a/nova/api/openstack/compute/plugins/v3/agents.py
+++ b/nova/api/openstack/compute/plugins/v3/agents.py
@@ -27,7 +27,7 @@ ALIAS = "os-agents"
 authorize = extensions.extension_authorizer('compute', 'v3:' + ALIAS)
 
 
-class AgentController(object):
+class AgentController(wsgi.Controller):
     """The agent is talking about guest agent.The host can use this for
     things like accessing files on the disk, configuring networking,
     or running other applications/scripts in the guest while it is
diff --git a/nova/api/openstack/compute/plugins/v3/attach_interfaces.py b/nova/api/openstack/compute/plugins/v3/attach_interfaces.py
index ee4ac2d0a1..d33595cae0 100644
--- a/nova/api/openstack/compute/plugins/v3/attach_interfaces.py
+++ b/nova/api/openstack/compute/plugins/v3/attach_interfaces.py
@@ -45,7 +45,7 @@ def _translate_interface_attachment_view(port_info):
         }
 
 
-class InterfaceAttachmentController(object):
+class InterfaceAttachmentController(wsgi.Controller):
     """The interface attachment API controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/cells.py b/nova/api/openstack/compute/plugins/v3/cells.py
index 845b46b350..859c431b72 100644
--- a/nova/api/openstack/compute/plugins/v3/cells.py
+++ b/nova/api/openstack/compute/plugins/v3/cells.py
@@ -25,6 +25,7 @@ from webob import exc
 from nova.api.openstack import common
 from nova.api.openstack.compute.schemas.v3 import cells
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova.api import validation
 from nova.cells import rpcapi as cells_rpcapi
 from nova.compute import api as compute
@@ -91,7 +92,7 @@ def _scrub_cell(cell, detail=False):
     return cell_info
 
 
-class CellsController(object):
+class CellsController(wsgi.Controller):
     """Controller for Cell resources."""
 
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/certificates.py b/nova/api/openstack/compute/plugins/v3/certificates.py
index 107a719682..0a32422117 100644
--- a/nova/api/openstack/compute/plugins/v3/certificates.py
+++ b/nova/api/openstack/compute/plugins/v3/certificates.py
@@ -15,6 +15,7 @@
 import webob.exc
 
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 import nova.cert.rpcapi
 from nova import exception
 from nova.i18n import _
@@ -31,7 +32,7 @@ def _translate_certificate_view(certificate, private_key=None):
     }
 
 
-class CertificatesController(object):
+class CertificatesController(wsgi.Controller):
     """The x509 Certificates API controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/consoles.py b/nova/api/openstack/compute/plugins/v3/consoles.py
index b18c90614d..e9701bdc91 100644
--- a/nova/api/openstack/compute/plugins/v3/consoles.py
+++ b/nova/api/openstack/compute/plugins/v3/consoles.py
@@ -41,7 +41,7 @@ def _translate_detail_keys(cons):
     return dict(console=info)
 
 
-class ConsolesController(object):
+class ConsolesController(wsgi.Controller):
     """The Consoles controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/extension_info.py b/nova/api/openstack/compute/plugins/v3/extension_info.py
index 8e62d6f019..5ad02841b4 100644
--- a/nova/api/openstack/compute/plugins/v3/extension_info.py
+++ b/nova/api/openstack/compute/plugins/v3/extension_info.py
@@ -15,13 +15,14 @@
 import webob.exc
 
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova.openstack.common import log as logging
 
 
 LOG = logging.getLogger(__name__)
 
 
-class ExtensionInfoController(object):
+class ExtensionInfoController(wsgi.Controller):
 
     def __init__(self, extension_info):
         self.extension_info = extension_info
diff --git a/nova/api/openstack/compute/plugins/v3/flavor_access.py b/nova/api/openstack/compute/plugins/v3/flavor_access.py
index 2ba16702b3..0992281308 100644
--- a/nova/api/openstack/compute/plugins/v3/flavor_access.py
+++ b/nova/api/openstack/compute/plugins/v3/flavor_access.py
@@ -40,7 +40,7 @@ def _marshall_flavor_access(flavor):
     return {'flavor_access': rval}
 
 
-class FlavorAccessController(object):
+class FlavorAccessController(wsgi.Controller):
     """The flavor access API controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/flavors_extraspecs.py b/nova/api/openstack/compute/plugins/v3/flavors_extraspecs.py
index e113616c92..ecc835b414 100644
--- a/nova/api/openstack/compute/plugins/v3/flavors_extraspecs.py
+++ b/nova/api/openstack/compute/plugins/v3/flavors_extraspecs.py
@@ -18,6 +18,7 @@ import webob
 
 from nova.api.openstack.compute.schemas.v3 import flavors_extraspecs
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova.api import validation
 from nova import exception
 from nova.i18n import _
@@ -28,7 +29,7 @@ ALIAS = 'flavor-extra-specs'
 authorize = extensions.extension_authorizer('compute', 'v3:' + ALIAS)
 
 
-class FlavorExtraSpecsController(object):
+class FlavorExtraSpecsController(wsgi.Controller):
     """The flavor extra specs API controller for the OpenStack API."""
 
     def __init__(self, *args, **kwargs):
diff --git a/nova/api/openstack/compute/plugins/v3/floating_ip_dns.py b/nova/api/openstack/compute/plugins/v3/floating_ip_dns.py
index 18e49e0add..cd31d34917 100644
--- a/nova/api/openstack/compute/plugins/v3/floating_ip_dns.py
+++ b/nova/api/openstack/compute/plugins/v3/floating_ip_dns.py
@@ -79,7 +79,7 @@ def _create_domain_entry(domain, scope=None, project=None, av_zone=None):
             'availability_zone': av_zone}
 
 
-class FloatingIPDNSDomainController(object):
+class FloatingIPDNSDomainController(wsgi.Controller):
     """DNS domain controller for OpenStack API."""
 
     def __init__(self):
@@ -160,7 +160,7 @@ class FloatingIPDNSDomainController(object):
             raise webob.exc.HTTPNotFound(explanation=e.format_message())
 
 
-class FloatingIPDNSEntryController(object):
+class FloatingIPDNSEntryController(wsgi.Controller):
     """DNS Entry controller for OpenStack API."""
 
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/floating_ip_pools.py b/nova/api/openstack/compute/plugins/v3/floating_ip_pools.py
index 0af35b551e..b7d7a977b4 100644
--- a/nova/api/openstack/compute/plugins/v3/floating_ip_pools.py
+++ b/nova/api/openstack/compute/plugins/v3/floating_ip_pools.py
@@ -13,6 +13,7 @@
 #    under the License.
 
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova import network
 
 
@@ -33,7 +34,7 @@ def _translate_floating_ip_pools_view(pools):
     }
 
 
-class FloatingIPPoolsController(object):
+class FloatingIPPoolsController(wsgi.Controller):
     """The Floating IP Pool API controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/floating_ips_bulk.py b/nova/api/openstack/compute/plugins/v3/floating_ips_bulk.py
index e5d6d1d710..d8cd22159b 100644
--- a/nova/api/openstack/compute/plugins/v3/floating_ips_bulk.py
+++ b/nova/api/openstack/compute/plugins/v3/floating_ips_bulk.py
@@ -19,6 +19,7 @@ import webob.exc
 
 from nova.api.openstack.compute.schemas.v3 import floating_ips_bulk
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova.api import validation
 from nova import exception
 from nova.i18n import _
@@ -33,7 +34,7 @@ ALIAS = 'os-floating-ips-bulk'
 authorize = extensions.extension_authorizer('compute', 'v3:' + ALIAS)
 
 
-class FloatingIPBulkController(object):
+class FloatingIPBulkController(wsgi.Controller):
 
     @extensions.expected_errors(404)
     def index(self, req):
diff --git a/nova/api/openstack/compute/plugins/v3/fping.py b/nova/api/openstack/compute/plugins/v3/fping.py
index e9a5922b57..7a2ec04166 100644
--- a/nova/api/openstack/compute/plugins/v3/fping.py
+++ b/nova/api/openstack/compute/plugins/v3/fping.py
@@ -22,6 +22,7 @@ from webob import exc
 
 from nova.api.openstack import common
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova import compute
 from nova import exception
 from nova.i18n import _
@@ -37,7 +38,7 @@ CONF = cfg.CONF
 CONF.import_opt('fping_path', 'nova.api.openstack.compute.contrib.fping')
 
 
-class FpingController(object):
+class FpingController(wsgi.Controller):
 
     def __init__(self, network_api=None):
         self.compute_api = compute.API()
diff --git a/nova/api/openstack/compute/plugins/v3/hypervisors.py b/nova/api/openstack/compute/plugins/v3/hypervisors.py
index 4c8b85d1dd..cc0647fbd7 100644
--- a/nova/api/openstack/compute/plugins/v3/hypervisors.py
+++ b/nova/api/openstack/compute/plugins/v3/hypervisors.py
@@ -18,6 +18,7 @@
 import webob.exc
 
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova import compute
 from nova import exception
 from nova.i18n import _
@@ -28,7 +29,7 @@ ALIAS = "os-hypervisors"
 authorize = extensions.extension_authorizer('compute', 'v3:' + ALIAS)
 
 
-class HypervisorsController(object):
+class HypervisorsController(wsgi.Controller):
     """The Hypervisors API controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/image_metadata.py b/nova/api/openstack/compute/plugins/v3/image_metadata.py
index e9273f4377..a53157bbfc 100644
--- a/nova/api/openstack/compute/plugins/v3/image_metadata.py
+++ b/nova/api/openstack/compute/plugins/v3/image_metadata.py
@@ -25,7 +25,7 @@ import nova.image
 ALIAS = 'image-metadata'
 
 
-class ImageMetadataController(object):
+class ImageMetadataController(wsgi.Controller):
     """The image metadata API controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/keypairs.py b/nova/api/openstack/compute/plugins/v3/keypairs.py
index 3906e6f71e..ce3eb3027d 100644
--- a/nova/api/openstack/compute/plugins/v3/keypairs.py
+++ b/nova/api/openstack/compute/plugins/v3/keypairs.py
@@ -32,7 +32,7 @@ authorize = extensions.extension_authorizer('compute', 'v3:' + ALIAS)
 soft_authorize = extensions.soft_extension_authorizer('compute', 'v3:' + ALIAS)
 
 
-class KeypairController(object):
+class KeypairController(wsgi.Controller):
 
     """Keypair API controller for the OpenStack API."""
     def __init__(self):
diff --git a/nova/api/openstack/compute/plugins/v3/limits.py b/nova/api/openstack/compute/plugins/v3/limits.py
index 457f82f823..9fd844cf6c 100644
--- a/nova/api/openstack/compute/plugins/v3/limits.py
+++ b/nova/api/openstack/compute/plugins/v3/limits.py
@@ -16,6 +16,7 @@
 
 from nova.api.openstack.compute.views import limits as limits_views
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova import quota
 
 
@@ -23,7 +24,7 @@ QUOTAS = quota.QUOTAS
 ALIAS = 'limits'
 
 
-class LimitsController(object):
+class LimitsController(wsgi.Controller):
     """Controller for accessing limits in the OpenStack API."""
 
     @extensions.expected_errors(())
diff --git a/nova/api/openstack/compute/plugins/v3/migrations.py b/nova/api/openstack/compute/plugins/v3/migrations.py
index 36fb3f3961..a9ec4786d4 100644
--- a/nova/api/openstack/compute/plugins/v3/migrations.py
+++ b/nova/api/openstack/compute/plugins/v3/migrations.py
@@ -11,6 +11,7 @@
 #    under the License.
 
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova import compute
 from nova.objects import base as obj_base
 
@@ -36,7 +37,7 @@ def output(migrations_obj):
     return objects
 
 
-class MigrationsController(object):
+class MigrationsController(wsgi.Controller):
     """Controller for accessing migrations in OpenStack API."""
     def __init__(self):
         self.compute_api = compute.API()
diff --git a/nova/api/openstack/compute/plugins/v3/pci.py b/nova/api/openstack/compute/plugins/v3/pci.py
index 6ca0ed6769..db8a060b48 100644
--- a/nova/api/openstack/compute/plugins/v3/pci.py
+++ b/nova/api/openstack/compute/plugins/v3/pci.py
@@ -80,7 +80,7 @@ class PciHypervisorController(wsgi.Controller):
             self._extend_hypervisor(hypervisor, compute_node)
 
 
-class PciController(object):
+class PciController(wsgi.Controller):
 
     def __init__(self):
         self.host_api = compute.HostAPI()
diff --git a/nova/api/openstack/compute/plugins/v3/server_diagnostics.py b/nova/api/openstack/compute/plugins/v3/server_diagnostics.py
index a288fd7d80..f1151eda5d 100644
--- a/nova/api/openstack/compute/plugins/v3/server_diagnostics.py
+++ b/nova/api/openstack/compute/plugins/v3/server_diagnostics.py
@@ -17,6 +17,7 @@ import webob.exc
 
 from nova.api.openstack import common
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova import compute
 from nova import exception
 from nova.i18n import _
@@ -26,7 +27,7 @@ ALIAS = "os-server-diagnostics"
 authorize = extensions.extension_authorizer('compute', 'v3:' + ALIAS)
 
 
-class ServerDiagnosticsController(object):
+class ServerDiagnosticsController(wsgi.Controller):
     def __init__(self):
         self.compute_api = compute.API()
 
diff --git a/nova/api/openstack/compute/plugins/v3/server_password.py b/nova/api/openstack/compute/plugins/v3/server_password.py
index 52d45d469e..88c4ba5a25 100644
--- a/nova/api/openstack/compute/plugins/v3/server_password.py
+++ b/nova/api/openstack/compute/plugins/v3/server_password.py
@@ -26,7 +26,7 @@ ALIAS = 'os-server-password'
 authorize = extensions.extension_authorizer('compute', 'v3:' + ALIAS)
 
 
-class ServerPasswordController(object):
+class ServerPasswordController(wsgi.Controller):
     """The Server Password API controller for the OpenStack API."""
     def __init__(self):
         self.compute_api = compute.API()
diff --git a/nova/api/openstack/compute/plugins/v3/simple_tenant_usage.py b/nova/api/openstack/compute/plugins/v3/simple_tenant_usage.py
index a79153baed..db2dfa18e4 100644
--- a/nova/api/openstack/compute/plugins/v3/simple_tenant_usage.py
+++ b/nova/api/openstack/compute/plugins/v3/simple_tenant_usage.py
@@ -22,6 +22,7 @@ import six.moves.urllib.parse as urlparse
 from webob import exc
 
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 from nova import exception
 from nova.i18n import _
 from nova import objects
@@ -41,7 +42,7 @@ def parse_strtime(dstr, fmt):
         raise exception.InvalidStrTime(reason=six.text_type(e))
 
 
-class SimpleTenantUsageController(object):
+class SimpleTenantUsageController(wsgi.Controller):
     def _hours_for(self, instance, period_start, period_stop):
         launched_at = instance.launched_at
         terminated_at = instance.terminated_at
diff --git a/nova/api/openstack/compute/plugins/v3/tenant_networks.py b/nova/api/openstack/compute/plugins/v3/tenant_networks.py
index 90d3c29b73..6f1cb2e2dd 100644
--- a/nova/api/openstack/compute/plugins/v3/tenant_networks.py
+++ b/nova/api/openstack/compute/plugins/v3/tenant_networks.py
@@ -55,7 +55,7 @@ def network_dict(network):
                         "label": network.get("label")}
 
 
-class TenantNetworkController(object):
+class TenantNetworkController(wsgi.Controller):
     def __init__(self, network_api=None):
         self.network_api = nova.network.API()
         self._default_networks = []
diff --git a/nova/api/openstack/compute/plugins/v3/versions.py b/nova/api/openstack/compute/plugins/v3/versions.py
index 98b11c2cb8..9d0eb6d470 100644
--- a/nova/api/openstack/compute/plugins/v3/versions.py
+++ b/nova/api/openstack/compute/plugins/v3/versions.py
@@ -18,12 +18,13 @@ import webob.exc
 from nova.api.openstack.compute import versions
 from nova.api.openstack.compute.views import versions as views_versions
 from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
 
 
 ALIAS = "versions"
 
 
-class VersionsController(object):
+class VersionsController(wsgi.Controller):
     @extensions.expected_errors(404)
     def show(self, req, id='v2.1'):
         builder = views_versions.get_view_builder(req)