def serve(app):
    server = make_server('', 8080, app)
    sa = server.socket.getsockname()
    print app % "Serving %s on", sa[0], "port", sa[1], "..."
    server.serve_forever()
dataset/ETHPy150Open wsgicabal/wiseguy/wiseguy/scripts/command.py/serve/swapped operands of `%`