diff --git a/solumdashboard/applications/tables.py b/solumdashboard/applications/tables.py
index 46f309e..05c54d8 100644
--- a/solumdashboard/applications/tables.py
+++ b/solumdashboard/applications/tables.py
@@ -70,13 +70,13 @@ class ApplicationsTable(tables.DataTable):
     uuid = tables.Column('uuid', verbose_name=_('UUID'),
                          link=("horizon:solum:applications:detail"))
     name = tables.Column('name', verbose_name=_('Name'))
-    #git_url = tables.Column('git_url', verbose_name=_('GitUrl'))
+    # git_url = tables.Column('git_url', verbose_name=_('GitUrl'))
     description = tables.Column('description', verbose_name=_('Description'))
 
     def get_object_id(self, app):
         return app.uuid
 
-    class Meta:
+    class Meta(object):
         name = "applications"
         verbose_name = _("Applications")
         table_actions = (CreateApplication, DeleteApplication)
diff --git a/solumdashboard/applications/workflows/create.py b/solumdashboard/applications/workflows/create.py
index 18844e5..8e81b51 100644
--- a/solumdashboard/applications/workflows/create.py
+++ b/solumdashboard/applications/workflows/create.py
@@ -36,7 +36,7 @@ class GitUrlAction(workflows.Action):
     def __init__(self, request, *args, **kwargs):
         super(GitUrlAction, self).__init__(request, *args, **kwargs)
 
-    class Meta:
+    class Meta(object):
         name = _("Select git url for the application")
         help_text_template = ("applications/_create_general_help.html")
 
diff --git a/solumdashboard/applications/workflows/launch.py b/solumdashboard/applications/workflows/launch.py
index fbf43a5..16dcd13 100644
--- a/solumdashboard/applications/workflows/launch.py
+++ b/solumdashboard/applications/workflows/launch.py
@@ -40,7 +40,7 @@ class ConfigAssemblyAction(workflows.Action):
             widget=forms.HiddenInput(),
             initial=plan_uri)
 
-    class Meta:
+    class Meta(object):
         name = _("Configure name and description")
         help_text_template = "applications/_launch_configure_help.html"
 
diff --git a/solumdashboard/assemblies/tables.py b/solumdashboard/assemblies/tables.py
index c7bd9ef..2a0ddce 100644
--- a/solumdashboard/assemblies/tables.py
+++ b/solumdashboard/assemblies/tables.py
@@ -63,7 +63,7 @@ class AssembliesTable(tables.DataTable):
     def get_object_id(self, app):
         return app.uuid
 
-    class Meta:
+    class Meta(object):
         name = "assemblies"
         verbose_name = _("Assemblies")
         table_actions = (DeleteAssembly,)
diff --git a/solumdashboard/exceptions.py b/solumdashboard/exceptions.py
index a3c2234..bef4b6d 100644
--- a/solumdashboard/exceptions.py
+++ b/solumdashboard/exceptions.py
@@ -14,7 +14,7 @@
 # limitations under the License.
 
 from openstack_dashboard import exceptions
-#from solumclient.openstack.common.apiclient import exceptions as solumclient
+# from solumclient.openstack.common.apiclient import exceptions as solumclient
 
 NOT_FOUND = exceptions.NOT_FOUND
 RECOVERABLE = exceptions.RECOVERABLE