diff --git a/muranodashboard/tests/test_fields.py b/muranodashboard/tests/test_fields.py
index 31b6985f6..0756ee37d 100644
--- a/muranodashboard/tests/test_fields.py
+++ b/muranodashboard/tests/test_fields.py
@@ -38,7 +38,7 @@ class TestFlavorField(helpers.APIMockTestCase):
         mock_nova.novaclient().flavors.list.return_value = [
             FlavorFlave('id1', 'small', vcpus=1, disk=50, ram=1000),
             FlavorFlave('id2', 'medium', vcpus=2, disk=100, ram=2000),
-            FlavorFlave('id3', 'large',  vcpus=3, disk=750, ram=4000)]
+            FlavorFlave('id3', 'large', vcpus=3, disk=750, ram=4000)]
 
         f = fields.FlavorChoiceField()
         initial_request = {}
@@ -54,7 +54,7 @@ class TestFlavorField(helpers.APIMockTestCase):
 
         mock_nova.novaclient().flavors.list.return_value = [
             FlavorFlave('id2', 'medium', vcpus=2, disk=100, ram=2000),
-            FlavorFlave('id3', 'large',  vcpus=3, disk=750, ram=4000)]
+            FlavorFlave('id3', 'large', vcpus=3, disk=750, ram=4000)]
 
         f = fields.FlavorChoiceField(requirements={'min_vcpus': 2})
         f.update({}, self.request)
diff --git a/muranodashboard/tests/unit/dynamic_ui/test_helpers.py b/muranodashboard/tests/unit/dynamic_ui/test_helpers.py
index d223ffea3..4cf365143 100644
--- a/muranodashboard/tests/unit/dynamic_ui/test_helpers.py
+++ b/muranodashboard/tests/unit/dynamic_ui/test_helpers.py
@@ -47,8 +47,7 @@ class TestHelper(testtools.TestCase):
     def test_insert_hidden_ids(self):
         app_dict = {'?': {
             'type': 'test.App',
-            'id': '123'
-            }
+            'id': '123'}
         }
         app_list = [1, 2, 3, 4]
 
diff --git a/muranodashboard/tests/unit/environments/test_api.py b/muranodashboard/tests/unit/environments/test_api.py
index f8fb132dc..4664e18d7 100644
--- a/muranodashboard/tests/unit/environments/test_api.py
+++ b/muranodashboard/tests/unit/environments/test_api.py
@@ -273,7 +273,7 @@ class TestEnvironmentsAPI(helpers.APIMockTestCase):
         mock_client = mock_api.muranoclient(mock.Mock())
         mock_client.environments.get.return_value = mock_env
         mock_client.environments.last_status.return_value = {
-            'foo_service': mock.Mock(text='foo'*100,
+            'foo_service': mock.Mock(text='foo' * 100,
                                      updated='foo_time'),
             'bar_service': None
         }