Ignore the state returned by __reduce__ if it is Py_None.

diff --git a/Modules/cPickle.c b/Modules/cPickle.c
index 24a9f131e7de26b6cfbd58e618b2e2866991f255..08bb8e8b2d90e5a763bb4f2822fd00d0115ef2a5 100644 (file)
--- a/Modules/cPickle.c
+++ b/Modules/cPickle.c
@@ -2086,6 +2086,8 @@ save(Picklerobject *self, PyObject *args, int  pers_save)
 
                if (size > 2) {
                        state = PyTuple_GET_ITEM(t, 2);
+                       if (state == Py_None)
+                               state = NULL;
                }
 
                if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None ))  {