diff --git a/gvacommon/__init__.py b/gvacommon/__init__.py
index f9aae42..33e038d 100644
--- a/gvacommon/__init__.py
+++ b/gvacommon/__init__.py
@@ -15,4 +15,4 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-__version__ = '0.3.0'
+__version__ = '0.3.1'
diff --git a/gvacommon/celeryrouters.py b/gvacommon/celeryrouters.py
index 8d6ef68..bf7ec5a 100644
--- a/gvacommon/celeryrouters.py
+++ b/gvacommon/celeryrouters.py
@@ -19,7 +19,6 @@ from __future__ import unicode_literals
 
 
 class GvaRouter(object):
-
     def route_for_task(self, task, args=None, kwargs=None):
         for route in ['ldap', 'file', 'mysql', 'pgsql', 'web']:
             if route in task:
diff --git a/gvacommon/settings_utils.py b/gvacommon/settings_utils.py
index 6c86b82..9d5528b 100644
--- a/gvacommon/settings_utils.py
+++ b/gvacommon/settings_utils.py
@@ -16,10 +16,8 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-from os import environ
-# Normally you should not import ANYTHING from Django directly
-# into your settings, but ImproperlyConfigured is an exception.
 from django.core.exceptions import ImproperlyConfigured
+from os import environ
 
 
 def get_env_variable(var_name):
diff --git a/gvacommon/tests/test_celeryrouters.py b/gvacommon/tests/test_celeryrouters.py
index dd97188..753c1d5 100644
--- a/gvacommon/tests/test_celeryrouters.py
+++ b/gvacommon/tests/test_celeryrouters.py
@@ -20,13 +20,13 @@ Tests for gvacommon celery router code.
 
 """
 from __future__ import absolute_import, unicode_literals
+
 import unittest
 
 from gvacommon.celeryrouters import GvaRouter
 
 
 class GvaRouteTest(unittest.TestCase):
-
     def test_route_for_task_ldap(self):
         router = GvaRouter()
         route = router.route_for_task('ldap')
diff --git a/gvacommon/tests/test_settings_utils.py b/gvacommon/tests/test_settings_utils.py
index 1abc16c..bdeec67 100644
--- a/gvacommon/tests/test_settings_utils.py
+++ b/gvacommon/tests/test_settings_utils.py
@@ -16,16 +16,17 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-import os
+from __future__ import absolute_import, unicode_literals
+
 from unittest import TestCase
 
+import os
 from django.core.exceptions import ImproperlyConfigured
 
 from gvacommon.settings_utils import get_env_variable
 
 
 class GetEnvVariableTest(TestCase):
-
     def test_get_existing_env_variable(self):
         os.environ['testvariable'] = 'myvalue'
         self.assertEqual(get_env_variable('testvariable'), 'myvalue')
@@ -37,4 +38,3 @@ class GetEnvVariableTest(TestCase):
             get_env_variable('missingvariable')
         self.assertEqual(
             str(e.exception), 'Set the missingvariable environment variable')
-
diff --git a/gvacommon/tests/test_viewmixins.py b/gvacommon/tests/test_viewmixins.py
index 2117b4f..2b24270 100644
--- a/gvacommon/tests/test_viewmixins.py
+++ b/gvacommon/tests/test_viewmixins.py
@@ -20,6 +20,7 @@ Tests for gvacommon code.
 
 """
 from __future__ import absolute_import, unicode_literals
+
 import unittest
 
 try:
@@ -73,7 +74,6 @@ class StaffOrSelfLoginRequiredMixinTest(unittest.TestCase):
         from gvacommon.viewmixins import StaffOrSelfLoginRequiredMixin
 
         class SubjectView(StaffOrSelfLoginRequiredMixin, View):
-
             def get(self, request, *args, **kwargs):
                 return "success"
 
diff --git a/gvacommon/viewmixins.py b/gvacommon/viewmixins.py
index a63d142..061d54d 100644
--- a/gvacommon/viewmixins.py
+++ b/gvacommon/viewmixins.py
@@ -21,9 +21,9 @@ This module defines mixins for gnuviechadmin views.
 """
 from __future__ import unicode_literals
 
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.http import HttpResponseForbidden
 from django.utils.translation import ugettext as _
-from django.contrib.auth.mixins import LoginRequiredMixin
 
 
 class StaffOrSelfLoginRequiredMixin(LoginRequiredMixin):
@@ -35,8 +35,8 @@ class StaffOrSelfLoginRequiredMixin(LoginRequiredMixin):
 
     def dispatch(self, request, *args, **kwargs):
         if (
-            request.user.is_staff or
-            request.user == self.get_customer_object()
+                    request.user.is_staff or
+                        request.user == self.get_customer_object()
         ):
             return super(StaffOrSelfLoginRequiredMixin, self).dispatch(
                 request, *args, **kwargs