Reverting the Revision: 77368.  I committed Flox's big patch for tests by
mistake. ( It may come in for sure tough)
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index 8e48a53..bc0ae58 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -712,9 +712,7 @@
                 return os.path.isfile(name)
 
             tar = tarfile.open(tmpname, self.mode, encoding="iso8859-1")
-            # Silence Py3k warning
-            with test_support.check_warnings():
-                tar.add(tempdir, arcname="empty_dir", exclude=exclude)
+            tar.add(tempdir, arcname="empty_dir", exclude=exclude)
             tar.close()
 
             tar = tarfile.open(tmpname, "r")