*** graphobject.c	2010-08-04 14:19:46.000000000 -0400
--- ../../original/python-igraph-0.5.3/src/graphobject.c	2010-01-07 07:09:37.000000000 -0500
***************
*** 5010,5042 ****
    PyObject *args, PyObject *kwds) {
    static char *kwlist[] =
      { "niter", "node_charge", "node_mass", "spring_length", "spring_constant",
!       "max_sa_movement", "seed", NULL };
    igraph_matrix_t m;
    long niter = 500;
    double node_charge = 0.001, node_mass = 30;
    long spring_length = 0;
    double spring_constant = 1, max_sa_movement = 5;
!   PyObject *result, *seed_o = Py_None;
!   igraph_bool_t use_seed=0;
  
!   if (!PyArg_ParseTupleAndKeywords(args, kwds, "|lddlddO", kwlist,
                                     &niter, &node_charge, &node_mass,
                                     &spring_length, &spring_constant,
!                                    &max_sa_movement, &seed_o))
      return NULL;
  
!   if (seed_o == 0 || seed_o == Py_None) {
!     if (igraph_matrix_init(&m, 1, 1)) {
!       igraphmodule_handle_igraph_error();
!       return NULL;
!     }
!   } else {
!     use_seed=1;
!     if (igraphmodule_PyList_to_matrix_t(seed_o, &m)) return NULL;
    }
  
    if (igraph_layout_graphopt(&self->g, &m, niter, node_charge, node_mass,
!       spring_length, spring_constant, max_sa_movement, use_seed)) {
      igraph_matrix_destroy(&m);
      igraphmodule_handle_igraph_error();
      return NULL;
--- 5010,5036 ----
    PyObject *args, PyObject *kwds) {
    static char *kwlist[] =
      { "niter", "node_charge", "node_mass", "spring_length", "spring_constant",
!       "max_sa_movement", NULL };
    igraph_matrix_t m;
    long niter = 500;
    double node_charge = 0.001, node_mass = 30;
    long spring_length = 0;
    double spring_constant = 1, max_sa_movement = 5;
!   PyObject *result;
  
!   if (!PyArg_ParseTupleAndKeywords(args, kwds, "|lddldd", kwlist,
                                     &niter, &node_charge, &node_mass,
                                     &spring_length, &spring_constant,
!                                    &max_sa_movement))
      return NULL;
  
!   if (igraph_matrix_init(&m, 1, 1)) {
!     igraphmodule_handle_igraph_error();
!     return NULL;
    }
  
    if (igraph_layout_graphopt(&self->g, &m, niter, node_charge, node_mass,
!       spring_length, spring_constant, max_sa_movement, 0)) {
      igraph_matrix_destroy(&m);
      igraphmodule_handle_igraph_error();
      return NULL;