Remove Python 2 code

Author: dyve

bootstrap3/renderers.py

@@ -40,7 +40,7 @@
     ReadOnlyPasswordHashWidget = None
 
 
-class BaseRenderer(object):
+class BaseRenderer:
     """
     A content renderer
     """

bootstrap3/tests.py

@@ -539,7 +539,7 @@ def test_alert(self):
 
 class MessagesTest(TestCase):
     def test_messages(self):
-        class FakeMessage(object):
+        class FakeMessage:
             """
             Follows the `django.contrib.messages.storage.base.Message` API.
             """

demo/demo/views.py

@@ -9,7 +9,7 @@
 
 
 # http://yuji.wordpress.com/2013/01/30/django-form-field-in-initial-data-requires-a-fieldfile-instance/
-class FakeField(object):
+class FakeField:
     storage = default_storage