Fixed #5316 : test failure in test_site
diff --git a/Lib/distutils/tests/test_config.py b/Lib/distutils/tests/test_config.py
index d812769..a18f453 100644
--- a/Lib/distutils/tests/test_config.py
+++ b/Lib/distutils/tests/test_config.py
@@ -51,7 +51,7 @@
 
     def setUp(self):
         """Patches the environment."""
-        support.TempdirManager.setUp(self)
+        super(PyPIRCCommandTestCase, self).setUp()
 
         if os.environ.has_key('HOME'):
             self._old_home = os.environ['HOME']
@@ -79,7 +79,7 @@
         else:
             os.environ['HOME'] = self._old_home
         set_threshold(self.old_threshold)
-        support.TempdirManager.tearDown(self)
+        super(PyPIRCCommandTestCase, self).tearDown()
 
     def test_server_registration(self):
         # This test makes sure PyPIRCCommand knows how to:
diff --git a/Lib/distutils/tests/test_sdist.py b/Lib/distutils/tests/test_sdist.py
index 9c579b4..15a8c80 100644
--- a/Lib/distutils/tests/test_sdist.py
+++ b/Lib/distutils/tests/test_sdist.py
@@ -37,10 +37,9 @@
 class sdistTestCase(support.LoggingSilencer, PyPIRCCommandTestCase):
 
     def setUp(self):
-        support.LoggingSilencer.setUp(self)
         # PyPIRCCommandTestCase creates a temp dir already
         # and put it in self.tmp_dir
-        PyPIRCCommandTestCase.setUp(self)
+        super(sdistTestCase, self).setUp()
         # setting up an environment
         self.old_path = os.getcwd()
         os.mkdir(join(self.tmp_dir, 'somecode'))
@@ -54,8 +53,7 @@
     def tearDown(self):
         # back to normal
         os.chdir(self.old_path)
-        PyPIRCCommandTestCase.tearDown(self)
-        support.LoggingSilencer.tearDown(self)
+        super(sdistTestCase, self).tearDown()
 
     def get_cmd(self, metadata=None):
         """Returns a cmd"""
diff --git a/Misc/NEWS b/Misc/NEWS
index 7787203..77fa493 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -165,6 +165,9 @@
 
 Library
 -------
+- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
+  in Distutils tests.
+
 - Issue #5287: Add exception handling around findCaller() call to help out
   IronPython.