Phillip Calvin wrote: > The edited callback gets a parameter called iter_string. Try this > code instead: > > def on_cell_edited(self, cell, path_string, new_text, model): > > iter = model.get_iter_from_string(path_string) > > model.set(iter, 0, new_text) Why not just use model[path_string][0] = new_text instead, much easier :-) Johan