Twilio Announces Platform Additions to Support Digital Engagement

Today at SIGNAL, Twilio's annual developer conference, the company announced three new products that aim to support its customers increased need for seamless digital experiences. The new products, Twilio Video Web RTC Go, Twilio Frontline, and the Event Streams API offer examples of how organizations that use an API-led approach can respond in an agile way to new challenges in the marketplace. 

honestly can you help me converting this c++ code to Python3 code?

    MyMainWindow::createUI()
    {
        label = new QLabel("foo");
        button = new QPushButton("Browse");
        connect(button, SIGNAL(clicked()), SLOT(browse()));
        layout = new QHorizontalLayout();
        layout->addWidget(label);
        layout->addWidget(button);
        setLayout(layout);
    }

    void MyMainWindow::browse()
    {
        QString directory = QFileDialog::getExistingDirectory(this,
                                tr("Find Files"), QDir::currentPath());

        if (!directory.isEmpty()) {
            if (directoryComboBox->findText(directory) == -1)
                directoryComboBox->addItem(directory);
            directoryComboBox->setCurrentIndex(directoryComboBox->findText(directory));
        }
    }

MyMainWindow::createUI()
{
    label = new QLabel("foo");
    button = new QPushButton("Browse");
    connect(button, SIGNAL(clicked()), SLOT(browse()));
    layout = new QHorizontalLayout();
    layout->addWidget(label);
    layout->addWidget(button);
    setLayout(layout);
}

void MyMainWindow::browse()
{
    QString directory = QFileDialog::getExistingDirectory(this,
                            tr("Find Files"), QDir::currentPath());

    if (!directory.isEmpty()) {
        if (directoryComboBox->findText(directory) == -1)
            directoryComboBox->addItem(directory);
        directoryComboBox->setCurrentIndex(directoryComboBox->findText(directory));
    }
}