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diff --git a/python/pyfarsight.override b/python/pyfarsight.overrideindex 04f31d8..6649023 100644--- a/python/pyfarsight.override+++ b/python/pyfarsight.override@@ -185,7 +185,7 @@ _wrap_fs_session_new_stream(PyGObject *self, PyObject *args, PyObject *kwargs)   guint n_parameters = 0;   GParameter *parameters = NULL; -  if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!is|O!:FsSession.new_stream",+  if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!i|sO!:FsSession.new_stream",           kwlist,           &PyFsParticipant_Type, &participant,           &direction,@@ -193,7 +193,7 @@ _wrap_fs_session_new_stream(PyGObject *self, PyObject *args, PyObject *kwargs)           &PyDict_Type, &st_params))     return NULL; -  if (st_params)+  if (transmitter_name && st_params)   {     n_parameters = PyDict_Size (st_params);