python x4stree

import sys
import PyQt4.QtGui as QtGui
import PyQt4.QtCore as QtCore
import PyQt4.uic as uic

form_class, base_class = uic.loadUiType('x4s.ui')
class MainWindow(form_class, base_class):
    def __init__(self, *args):
        super(MainWindow, self).__init__(*args)
        self.setupUi(self)
        self.tabWidget.setTabText(0, 'lol')
        self.tabWidget.addTab(X4STRee(self), 'newTab')

class X4STRee(QtGui.QTreeView):
    def __init__(self, parent = None):
        super(X4STRee, self).__init__(parent)
        self.model = QtGui.QStandardItemModel()
        self.setModel(self.model)
        for k in range(0, 10):
            parentItem = QtGui.QStandardItem(QtCore.QString('root'))
            self.model.invisibleRootItem().appendRow(parentItem)
            for i in range(0, 4):
                item = QtGui.QStandardItem(QtCore.QString("item %0 %1").arg(k).arg(i))
                check = QtCore.Qt.Checked
                item.setCheckState(check)
                item.setCheckable(True)
                parentItem.appendRow(item)

def main():
    app = QtGui.QApplication(sys.argv)
    mainWindow = MainWindow()
    mainWindow.show()
    sys.exit(app.exec_())

if __name__ == '__main__':
    main()