merge r68839 forward to py3k
diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py
index 9a307de..3681c60 100644
--- a/Lib/test/test_multiprocessing.py
+++ b/Lib/test/test_multiprocessing.py
@@ -1058,8 +1058,10 @@
         multiprocessing.active_children()  # discard dead process objs
         gc.collect()                       # do garbage collection
         refs = self.manager._number_of_objects()
+        debug_info = self.manager._debug_info()
         if refs != EXPECTED_NUMBER:
             print(self.manager._debug_info())
+            print(debug_info)
 
         self.assertEqual(refs, EXPECTED_NUMBER)