diff --git a/openstack_dashboard/dashboards/admin/overview/tests.py b/openstack_dashboard/dashboards/admin/overview/tests.py
index 2a7372cba3..3e69613062 100644
--- a/openstack_dashboard/dashboards/admin/overview/tests.py
+++ b/openstack_dashboard/dashboards/admin/overview/tests.py
@@ -100,7 +100,7 @@ class UsageViewTests(test.BaseAdminViewTests):
         self.mox.ReplayAll()
         res = self.client.get(reverse('horizon:admin:overview:index'))
         self.assertTemplateUsed(res, 'admin/overview/usage.html')
-        self.assertTrue(isinstance(res.context['usage'], usage.GlobalUsage))
+        self.assertIsInstance(res.context['usage'], usage.GlobalUsage)
         self.assertEqual(nova_stu_enabled,
                          res.context['simple_tenant_usage_enabled'])
 
@@ -191,7 +191,7 @@ class UsageViewTests(test.BaseAdminViewTests):
         csv_url = reverse('horizon:admin:overview:index') + "?format=csv"
         res = self.client.get(csv_url)
         self.assertTemplateUsed(res, 'admin/overview/usage.csv')
-        self.assertTrue(isinstance(res.context['usage'], usage.GlobalUsage))
+        self.assertIsInstance(res.context['usage'], usage.GlobalUsage)
         hdr = 'Project Name,VCPUs,RAM (MB),Disk (GB),Usage (Hours)'
         self.assertContains(res, '%s\r\n' % hdr)
 
diff --git a/openstack_dashboard/dashboards/identity/projects/tests.py b/openstack_dashboard/dashboards/identity/projects/tests.py
index e63b09f45f..f6d4f11154 100644
--- a/openstack_dashboard/dashboards/identity/projects/tests.py
+++ b/openstack_dashboard/dashboards/identity/projects/tests.py
@@ -1566,7 +1566,7 @@ class UsageViewTests(test.BaseAdminViewTests):
         res = self.client.get(csv_url)
         self.assertTemplateUsed(res, 'project/overview/usage.csv')
 
-        self.assertTrue(isinstance(res.context['usage'], usage.ProjectUsage))
+        self.assertIsInstance(res.context['usage'], usage.ProjectUsage)
         hdr = ('Instance Name,VCPUs,RAM (MB),Disk (GB),Usage (Hours),'
                'Time since created (Seconds),State')
         self.assertContains(res, '%s\r\n' % hdr)
diff --git a/openstack_dashboard/dashboards/project/overview/tests.py b/openstack_dashboard/dashboards/project/overview/tests.py
index e382488008..009ad6ce43 100644
--- a/openstack_dashboard/dashboards/project/overview/tests.py
+++ b/openstack_dashboard/dashboards/project/overview/tests.py
@@ -100,7 +100,7 @@ class UsageViewTests(test.TestCase):
         res = self.client.get(reverse('horizon:project:overview:index'))
         usages = res.context['usage']
         self.assertTemplateUsed(res, 'project/overview/usage.html')
-        self.assertTrue(isinstance(usages, usage.ProjectUsage))
+        self.assertIsInstance(usages, usage.ProjectUsage)
         self.assertEqual(nova_stu_enabled,
                          res.context['simple_tenant_usage_enabled'])
         if nova_stu_enabled:
@@ -184,7 +184,7 @@ class UsageViewTests(test.TestCase):
         res = self.client.get(reverse('horizon:project:overview:index') +
                               "?format=csv")
         self.assertTemplateUsed(res, 'project/overview/usage.csv')
-        self.assertTrue(isinstance(res.context['usage'], usage.ProjectUsage))
+        self.assertIsInstance(res.context['usage'], usage.ProjectUsage)
 
     def test_usage_exception_usage(self):
         self._stub_nova_api_calls(stu_exception=self.exceptions.nova)
@@ -214,7 +214,7 @@ class UsageViewTests(test.TestCase):
 
         res = self.client.get(reverse('horizon:project:overview:index'))
         self.assertTemplateUsed(res, 'project/overview/usage.html')
-        self.assertTrue(isinstance(res.context['usage'], usage.ProjectUsage))
+        self.assertIsInstance(res.context['usage'], usage.ProjectUsage)
 
     @test.update_settings(OPENSTACK_NEUTRON_NETWORK={'enable_quotas': True})
     def test_usage_with_neutron(self):
@@ -323,7 +323,7 @@ class UsageViewTests(test.TestCase):
         res = self.client.get(reverse('horizon:project:overview:index'))
         usages = res.context['usage']
         self.assertTemplateUsed(res, 'project/overview/usage.html')
-        self.assertTrue(isinstance(usages, usage.ProjectUsage))
+        self.assertIsInstance(usages, usage.ProjectUsage)
         if cinder_enabled:
             self.assertEqual(usages.limits['totalVolumesUsed'], 1)
             self.assertEqual(usages.limits['maxTotalVolumes'], 10)
diff --git a/openstack_dashboard/dashboards/project/volumes/volumes/tests.py b/openstack_dashboard/dashboards/project/volumes/volumes/tests.py
index 219baf80a9..94c99507ff 100644
--- a/openstack_dashboard/dashboards/project/volumes/volumes/tests.py
+++ b/openstack_dashboard/dashboards/project/volumes/volumes/tests.py
@@ -943,8 +943,8 @@ class VolumeViewTests(test.TestCase):
         self.assertEqual(len(form.fields['instance']._choices),
                          1)
         self.assertEqual(res.status_code, 200)
-        self.assertTrue(isinstance(form.fields['device'].widget,
-                                   widgets.TextInput))
+        self.assertIsInstance(form.fields['device'].widget,
+                              widgets.TextInput)
         self.assertFalse(form.fields['device'].required)
 
     @test.create_stubs({cinder: ('volume_get',), api.nova: ('server_list',)})
@@ -969,8 +969,8 @@ class VolumeViewTests(test.TestCase):
                       args=[volume.id])
         res = self.client.get(url)
         form = res.context['form']
-        self.assertTrue(isinstance(form.fields['device'].widget,
-                                   widgets.TextInput))
+        self.assertIsInstance(form.fields['device'].widget,
+                              widgets.TextInput)
         self.assertFalse(form.fields['device'].required)
 
     @test.create_stubs({cinder: ('volume_get',), api.nova: ('server_list',)})
@@ -989,8 +989,8 @@ class VolumeViewTests(test.TestCase):
         res = self.client.get(url)
         # Assert the device field is hidden.
         form = res.context['form']
-        self.assertTrue(isinstance(form.fields['device'].widget,
-                                   widgets.HiddenInput))
+        self.assertIsInstance(form.fields['device'].widget,
+                              widgets.HiddenInput)
 
     @test.create_stubs({cinder: ('volume_get',),
                         api.nova: ('server_list',)})