diff -r 475c6a4dfab3 Lib/test/test_os.py
--- a/Lib/test/test_os.py	Tue Apr 21 10:57:41 2015 +0200
+++ b/Lib/test/test_os.py	Tue Apr 21 03:44:19 2015 -0700
@@ -401,9 +401,11 @@
         utime(filename, (attr(st0, "st_atime"), attr(st0, "st_mtime")))
         # Setting the time to the time you just read, then reading again,
         # should always return exactly the same times.
+        # Use assertAlmostEqual to handle differences in precision between 
+        # utime and os.stat on some platforms.
         st1 = os.stat(filename)
-        self.assertEqual(attr(st0, "st_mtime"), attr(st1, "st_mtime"))
-        self.assertEqual(attr(st0, "st_atime"), attr(st1, "st_atime"))
+        self.assertAlmostEqual(attr(st0, "st_mtime"), attr(st1, "st_mtime"), delta=delta)
+        self.assertAlmostEqual(attr(st0, "st_atime"), attr(st1, "st_atime"), delta=delta)
         # Set to the current time in the old explicit way.
         os.utime(filename, None)
         st2 = os.stat(support.TESTFN)