'Call PyList_Sort() instead of the 0-argument l.sort().'

def _handle_simple_method_list_sort(self, node, function, args, is_unbound_method):

    if (len(args) != 1):
        return node
    return self._substitute_method_call(node, function, 'PyList_Sort', self.single_param_func_type, 'sort', is_unbound_method, args).coerce_to(node.type, self.current_env)
