And delete a useless comment.
diff --git a/Lib/doctest.py b/Lib/doctest.py
index c6677f7..0a13d77 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -351,7 +351,6 @@
         try:
             return pdb.Pdb.trace_dispatch(self, *args)
         finally:
-            # Restore stdout.
             sys.stdout = save_stdout
 
 # [XX] Normalize with respect to os.path.pardir?