--- a/octave_to_python.cc	Tue Sep 15 11:23:36 2009 +0200
+++ b/octave_to_python.cc	Wed Sep 16 07:31:25 2009 +0200
@@ -306,6 +306,13 @@
                            const octave_value_list &octave_list) {
       boost::python::list seq;
       int length = octave_list.length();
+
+      // FIXME: due to bugs in Octave 3.2.3 and earlier, lists returned from
+      // eval_string and feval may be padded by trailing undefined values.
+      // Fix is already upstream, so this may be eventually removed.
+      while (length > 0 && octave_list(length-1).is_undefined())
+         length--;
+
       for (int i = 0; i < length; i++) {
          boost::python::object py_object;
          octvalue_to_pyobj(py_object, octave_list(i));