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_urllibnet.py b/Lib/test/test_urllibnet.py
index 9d31228..7ab2aa2 100644
--- a/Lib/test/test_urllibnet.py
+++ b/Lib/test/test_urllibnet.py
@@ -7,7 +7,7 @@
 import urllib
 import sys
 import os
-mimetools = test_support.import_module("mimetools", deprecated=True)
+import mimetools
 
 
 def _open_with_retry(func, host, *args, **kwargs):