diff --git a/accounts/admin.py b/accounts/admin.py
index c438f59..2f881f9 100644
--- a/accounts/admin.py
+++ b/accounts/admin.py
@@ -1,4 +1,5 @@
 from django.contrib import admin
+
 from accounts.models import User
 
 
diff --git a/accounts/models.py b/accounts/models.py
index e7d4fb5..a2a0833 100644
--- a/accounts/models.py
+++ b/accounts/models.py
@@ -1,6 +1,6 @@
-from django.db import models
 from django.contrib.auth.models import AbstractUser
+from django.db import models
 
 
 class User(AbstractUser):
-    uuid = models.UUIDField(editable=False, default="00000000000000000000000000000000")
+    uuid = models.UUIDField(editable=False, default='00000000000000000000000000000000')
diff --git a/accounts/settings.py b/accounts/settings.py
index 138d6ab..5e680ab 100644
--- a/accounts/settings.py
+++ b/accounts/settings.py
@@ -1,7 +1,9 @@
 import os
+
 from django.conf import settings
 
-USER_SETTINGS = getattr(settings, "PLATFORM_ACCOUNTS", {})
+
+USER_SETTINGS = getattr(settings, 'PLATFORM_ACCOUNTS', {})
 
 DEFAULTS = {
     'CLIENT_ID': os.environ.get('LABS_CLIENT_ID'),
@@ -22,7 +24,7 @@ def __init__(self, settings=None, defaults=None):
 
     def __getattr__(self, attr):
         if attr not in self.defaults.keys():
-            raise AttributeError("Invalid Penn Labs accounts setting: %s" % attr)
+            raise AttributeError('Invalid Penn Labs accounts setting: %s' % attr)
 
         try:
             val = self.settings[attr]
diff --git a/accounts/urls.py b/accounts/urls.py
index b9718a6..8f953ca 100644
--- a/accounts/urls.py
+++ b/accounts/urls.py
@@ -1,4 +1,5 @@
 from django.urls import path
+
 from accounts.views import CallbackView, LoginView
 
 
diff --git a/accounts/views.py b/accounts/views.py
index 7a56f52..9025e0a 100644
--- a/accounts/views.py
+++ b/accounts/views.py
@@ -1,9 +1,10 @@
-from requests_oauthlib import OAuth2Session
 from django.contrib import auth
 from django.http import HttpResponseServerError
 from django.http.response import HttpResponseBadRequest
 from django.shortcuts import redirect
 from django.views import View
+from requests_oauthlib import OAuth2Session
+
 from accounts.settings import accounts_settings
 
 
@@ -11,7 +12,7 @@ class LoginView(View):
     def get(self, request):
         return_to = request.GET.get('next')
         if not return_to:
-            return HttpResponseBadRequest("Invalid next parameter")
+            return HttpResponseBadRequest('Invalid next parameter')
         request.session.__setitem__('next', return_to)
         if not request.user.is_authenticated:
             platform = OAuth2Session(
diff --git a/runtests.py b/runtests.py
index f9be171..6d70827 100755
--- a/runtests.py
+++ b/runtests.py
@@ -1,7 +1,9 @@
 import sys
+
 import django
 from xmlrunner.extra.djangotestrunner import XMLTestRunner
 
+
 django.setup()
 test_runner = XMLTestRunner(verbosity=2)
 
diff --git a/tests/test_apps.py b/tests/test_apps.py
index 06d639b..06dc600 100644
--- a/tests/test_apps.py
+++ b/tests/test_apps.py
@@ -1,4 +1,5 @@
 from django.test import TestCase
+
 from accounts.apps import AccountsConfig
 
 
diff --git a/tests/test_backends.py b/tests/test_backends.py
index d18d524..a2f6431 100644
--- a/tests/test_backends.py
+++ b/tests/test_backends.py
@@ -1,6 +1,6 @@
-from django.test import TestCase
 from django.contrib import auth
 from django.contrib.auth import get_user_model
+from django.test import TestCase
 
 
 class BackendTestCase(TestCase):
diff --git a/tests/test_settings.py b/tests/test_settings.py
index fd0e241..047b046 100644
--- a/tests/test_settings.py
+++ b/tests/test_settings.py
@@ -1,6 +1,7 @@
 from django.test import TestCase
 from tests.settings import PLATFORM_ACCOUNTS
-from accounts.settings import accounts_settings, DEFAULTS
+
+from accounts.settings import DEFAULTS, accounts_settings
 
 
 class SettingsTestCase(TestCase):
diff --git a/tests/test_views.py b/tests/test_views.py
index 880c1f8..cf9988f 100644
--- a/tests/test_views.py
+++ b/tests/test_views.py
@@ -1,8 +1,10 @@
-from unittest.mock import patch
 import urllib.parse
-from django.test import TestCase, Client
-from django.urls import reverse
+from unittest.mock import patch
+
 from django.contrib.auth import get_user_model
+from django.test import Client, TestCase
+from django.urls import reverse
+
 from accounts.settings import accounts_settings
 
 
diff --git a/tests/urls.py b/tests/urls.py
index 65b6d06..67fb02d 100644
--- a/tests/urls.py
+++ b/tests/urls.py
@@ -1,2 +1,4 @@
-from django.urls import path, include
+from django.urls import include, path
+
+
 urlpatterns = [path('accounts/', include('accounts.urls', namespace='accounts'))]