diff --git a/session_security/tests/project/urls.py b/session_security/tests/project/urls.py
index 4aa39d5..aa097d6 100644
--- a/session_security/tests/project/urls.py
+++ b/session_security/tests/project/urls.py
@@ -20,7 +20,7 @@
 class SleepView(generic.TemplateView):
     def get(self, request, *args, **kwargs):
         time.sleep(int(request.GET.get('seconds', 0)))
-        return super(SleepView, self).get(request, *args, **kwargs)
+        return super().get(request, *args, **kwargs)
 
 
 urlpatterns = [
diff --git a/session_security/tests/test_base.py b/session_security/tests/test_base.py
index 42611b3..cd032ce 100644
--- a/session_security/tests/test_base.py
+++ b/session_security/tests/test_base.py
@@ -27,7 +27,7 @@ def setUp(self):
         self.max_warn_after = EXPIRE_AFTER * 0.9
         self.min_expire_after = EXPIRE_AFTER
         self.max_expire_after = EXPIRE_AFTER * 1.5
-        super(SettingsMixin, self).setUp()
+        super().setUp()
 
 
 class BaseLiveServerTestCase(SettingsMixin, StaticLiveServerTestCase,
@@ -36,12 +36,12 @@ class BaseLiveServerTestCase(SettingsMixin, StaticLiveServerTestCase,
     fixtures = ['session_security_test_user']
 
     def setUp(self):
-        SettingsMixin.setUp(self)
+        super().setUp()
         from selenium.webdriver.firefox.options import Options as FirefoxOptions
 
         options = FirefoxOptions()
         options.add_argument("--headless")
-        super(LiveServerTestCase, self).setUp()
+        super().setUp()
         self.sel= webdriver.Firefox(options=options)
         self.sel.get('%s%s' % (self.live_server_url, '/admin/'))
         self.sel.find_element_by_name('username').send_keys('test')
@@ -56,4 +56,4 @@ def tearDown(self):
         self.sel.quit()
     @classmethod
     def tearDownClass(cls):
-        super(BaseLiveServerTestCase, cls).tearDownClass()
\ No newline at end of file
+        super().tearDownClass()
diff --git a/session_security/tests/test_middleware.py b/session_security/tests/test_middleware.py
index 46b4be7..9664cda 100644
--- a/session_security/tests/test_middleware.py
+++ b/session_security/tests/test_middleware.py
@@ -13,7 +13,7 @@ class MiddlewareTestCase(SettingsMixin, test.TestCase):
     fixtures = ['session_security_test_user']
 
     def setUp(self):
-        super(MiddlewareTestCase, self).setUp()
+        super().setUp()
         self.client = Client()
 
     def test_auto_logout(self):