Fixed missing import.
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index c48012e..fc69d4f 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -25,6 +25,7 @@
 import logging.handlers
 import logging.config
 
+import codecs
 import copy
 import cPickle
 import cStringIO