@Override
  protected JComponent createCenterPanel() {
    final JPanel panel = new JPanel(new BorderLayout());
    panel.setPreferredSize(new Dimension(400, 300));
    final JBLabel label = new JBLabel(PyBundle.message("choose.packages.to.install"));
    label.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 0));
    panel.add(label, BorderLayout.NORTH);
    panel.add(myRequirementsChooser, BorderLayout.CENTER);
    return panel;
  }
@Override
  protected JComponent createCenterPanel()