def get_server(server_class, serial_port):
s = server_class()<EOL>s.serial_port = serial_port<EOL>s.route_map = Map()<EOL>s.route = MethodType(route, s)<EOL>return s<EOL>
Return instance of :param:`server_class` with :param:`request_handler`
    bound to it.
    This method also binds a :func:`route` method to the server instance.
        >>> server = get_server(TcpServer, ('localhost', 502), RequestHandler)
        >>> server.serve_forever()
    :param server_class: (sub)Class of :class:`socketserver.BaseServer`.
    :param request_handler_class: (sub)Class of
        :class:`umodbus.server.RequestHandler`.
    :return: Instance of :param:`server_class`.