Remove a number of unneeded super()-delegation methods

openedx/core/djangoapps/bookmarks/tests/test_api.py

@@ -43,9 +43,6 @@ class BookmarksAPITests(BookmarkApiEventTestMixin, BookmarksTestsBase):
     """
     These tests cover the parts of the API methods.
     """
-    def setUp(self):
-        super(BookmarksAPITests, self).setUp()
-
     def test_get_bookmark(self):
         """
         Verifies that get_bookmark returns data as expected.

openedx/core/djangoapps/bookmarks/tests/test_models.py

@@ -431,9 +431,6 @@ class XBlockCacheModelTest(ModuleStoreTestCase):
         [unicode(SECTION2_USAGE_KEY), 'Section 2'],
     ]
 
-    def setUp(self):
-        super(XBlockCacheModelTest, self).setUp()
-
     def assert_xblock_cache_data(self, xblock_cache, data):
         """
         Assert that the XBlockCache object values match.

openedx/core/djangoapps/xmodule_django/models.py

@@ -18,13 +18,6 @@ class NoneToEmptyManager(models.Manager):
     A :class:`django.db.models.Manager` that has a :class:`NoneToEmptyQuerySet`
     as its `QuerySet`, initialized with a set of specified `field_names`.
     """
-    def __init__(self):
-        """
-        Args:
-            field_names: The list of field names to initialize the :class:`NoneToEmptyQuerySet` with.
-        """
-        super(NoneToEmptyManager, self).__init__()
-
     def get_queryset(self):
         """
         Returns the result of NoneToEmptyQuerySet instead of a regular QuerySet.

openedx/core/lib/tests/test_xblock_utils.py

@@ -53,9 +53,6 @@ class TestXblockUtils(SharedModuleStoreTestCase):
             run='2015'
         )
 
-    def setUp(self):
-        super(TestXblockUtils, self).setUp()
-
     def create_fragment(self, content=None):
         """
         Create a fragment.

openedx/tests/xblock_integration/xblock_testcase.py

@@ -370,12 +370,6 @@ class XBlockTestCase(XBlockStudentTestCaseMixin,
             raise unittest.SkipTest('Test only valid in lms')
         super(XBlockTestCase, cls).setUpClass()
 
-    def setUp(self):
-        """
-        Call setups of all parents
-        """
-        super(XBlockTestCase, self).setUp()
-
     def get_handler_url(self, handler, xblock_name=None):
         """
         Get url for the specified xblock handler