diff -r 63a1ee94b3ed Lib/os.py
--- a/Lib/os.py	Thu Oct 10 00:46:57 2013 -0700
+++ b/Lib/os.py	Thu Oct 10 10:06:53 2013 +0200
@@ -945,33 +945,6 @@ otherwise return -SIG, where SIG is the 
     __all__.extend(["spawnlp", "spawnlpe"])
 
 
-import copyreg as _copyreg
-
-def _make_stat_result(tup, dict):
-    return stat_result(tup, dict)
-
-def _pickle_stat_result(sr):
-    (type, args) = sr.__reduce__()
-    return (_make_stat_result, args)
-
-try:
-    _copyreg.pickle(stat_result, _pickle_stat_result, _make_stat_result)
-except NameError: # stat_result may not exist
-    pass
-
-def _make_statvfs_result(tup, dict):
-    return statvfs_result(tup, dict)
-
-def _pickle_statvfs_result(sr):
-    (type, args) = sr.__reduce__()
-    return (_make_statvfs_result, args)
-
-try:
-    _copyreg.pickle(statvfs_result, _pickle_statvfs_result,
-                     _make_statvfs_result)
-except NameError: # statvfs_result may not exist
-    pass
-
 # Supply os.popen()
 def popen(cmd, mode="r", buffering=-1):
     if not isinstance(cmd, str):
diff -r 63a1ee94b3ed Modules/posixmodule.c
--- a/Modules/posixmodule.c	Thu Oct 10 00:46:57 2013 -0700
+++ b/Modules/posixmodule.c	Thu Oct 10 10:06:53 2013 +0200
@@ -11974,7 +11974,7 @@ INITFUNC(void)
             return NULL;
 #endif
 
-        stat_result_desc.name = MODNAME ".stat_result";
+        stat_result_desc.name = "os.stat_result";
         stat_result_desc.fields[7].name = PyStructSequence_UnnamedField;
         stat_result_desc.fields[8].name = PyStructSequence_UnnamedField;
         stat_result_desc.fields[9].name = PyStructSequence_UnnamedField;
@@ -11983,7 +11983,7 @@ INITFUNC(void)
         structseq_new = StatResultType.tp_new;
         StatResultType.tp_new = statresult_new;
 
-        statvfs_result_desc.name = MODNAME ".statvfs_result";
+        statvfs_result_desc.name = "os.statvfs_result";
         if (PyStructSequence_InitType2(&StatVFSResultType,
                                        &statvfs_result_desc) < 0)
             return NULL;