Function cb

core/src/plugins/error.js:17–21

(error, ...rest)

    const { stderr } = pyScript.io;

    const cb = (error, ...rest) => {
        notify(error.message || error);
        // let other plugins or stderr hook, if any, do the rest
        return stderr(error, ...rest);
    };

    // override it with our own logic
    pyScript.io.stderr = pyScript.type === "py" ? cb : buffered(cb);