Unhork argument passing between cPersistent and _timestamp under Py3k.

persistent/_timestamp.c

@@ -462,7 +462,11 @@ TimeStamp_TimeStamp(PyObject *obj, PyObject *args)
     int len = 0, y, mo, d, h = 0, m = 0;
     double sec = 0;
 
-    if (PyArg_ParseTuple(args, "s#:TimeStamp", &buf, &len))
+#ifdef PY3K
+    if (PyArg_ParseTuple(args, "y#", &buf, &len))
+#else
+    if (PyArg_ParseTuple(args, "s#", &buf, &len))
+#endif
     {
         if (len != 8)
         {

persistent/cPersistence.c

@@ -1100,9 +1100,15 @@ Per_get_mtime(cPersistentObject *self)
         return Py_None;
     }
 
+#ifdef PY3K
+    t = PyObject_CallFunction(TimeStamp, "y#", self->serial, 8);
+#else
     t = PyObject_CallFunction(TimeStamp, "s#", self->serial, 8);
+#endif
     if (!t)
+    {
         return NULL;
+    }
     v = PyObject_CallMethod(t, "timeTime", "");
     Py_DECREF(t);
     return v;