diff -r f452d7d5470d Lib/test/test_logging.py
--- a/Lib/test/test_logging.py	Sun Mar 11 19:33:29 2012 +0100
+++ b/Lib/test/test_logging.py	Sun Mar 11 18:45:18 2012 -0700
@@ -39,14 +39,14 @@
 import struct
 import sys
 import tempfile
-from test.support import captured_stdout, run_with_locale, run_unittest, patch
-from test.support import TestHandler, Matcher
+from test.support import (captured_stdout, run_with_locale, run_unittest,
+                          patch, requires_zlib, TestHandler, Matcher)
 import textwrap
 import time
 import unittest
 import warnings
 import weakref
-import zlib
+
 try:
     import threading
     # The following imports are needed only for tests which
@@ -71,6 +71,11 @@
     win32evtlogutil = None
     win32evtlog = None
 
+try:
+    import zlib
+except ImportError:
+    pass
+
 
 class BaseTest(unittest.TestCase):
 
@@ -3602,6 +3607,7 @@
         self.assertFalse(os.path.exists(namer(self.fn + ".3")))
         rh.close()
 
+    @requires_zlib
     def test_rotator(self):
         def namer(name):
             return name + ".gz"
diff -r f452d7d5470d Misc/ACKS
--- a/Misc/ACKS	Sun Mar 11 19:33:29 2012 +0100
+++ b/Misc/ACKS	Sun Mar 11 18:45:18 2012 -0700
@@ -559,6 +559,7 @@
 Michael Kremer
 Fabian Kreutz
 Cédric Krier
+Pedro Kroger
 Hannu Krosing
 Andrej Krpic
 Ivan Krstić