function open_model() {
    let file_name = document.getElementById("select_file");
    const data = {path: `models/${file_name.value}`};
    const formBody = new URLSearchParams(data);
    fetch(`${apiUrl}/open_model`, {
        method: 'POST',
        headers: {
            'Content-Type': 'application/x-www-form-urlencoded',
        },
        body: formBody.toString()
    });
}