python 2.1.2, Linux and 'os' library: bug or (bad) feature?

[Fredrik Lundh]

Pawel Oleksik wrote:
> No way! And as I've written above: python 2.1.1,
> 2.1.0, and 2.0.1 work OK.

can you spot the bug?

$ more Python-2.1.1/Modules/posixmodule.c

static PyObject *
posix_system(PyObject *self, PyObject *args)
{
 char *command;
 long sts;
 if (!PyArg_ParseTuple(args, "s:system", &command))
  return NULL;
 Py_BEGIN_ALLOW_THREADS
 sts = system(command);
 Py_END_ALLOW_THREADS
 return PyInt_FromLong(sts);
}

$ more Python-2.1.2/Modules/posixmodule.c

static PyObject *
posix_system(PyObject *self, PyObject *args)
{
 char *command;
 long sts;
 if (!PyArg_ParseTuple(args, "s:system", &command))
  return NULL;
 Py_BEGIN_ALLOW_THREADS
 sts = system(command);
 Py_END_ALLOW_THREADS
 return PyInt_FromLong(sts);
}

</F>