import sys from PySide6.QtWidgets import QApplication, QMainWindow from numint.ui_mainwindow import Ui_MainWindow class MainWindow(QMainWindow): def __init__(self): super(MainWindow, self).__init__() self.ui = Ui_MainWindow() self.ui.setupUi(self) def main(): app = QApplication(sys.argv) window = MainWindow() window.show() sys.exit(app.exec()) if __name__ == "__main__": main()