exit code -1073740791 (0xC0000409) problem

import sys
from PyQt5.QtWidgets import *

class Window(QWidget):
    def __init__(self):
        super().__init__()
        self.setGeometry(50, 50, 800, 500)
        self.setWindowTitle('GE Maintenance')
        self.UI()

    def UI(self):
        self.nameTextBox = QLineEdit(self)
        self.nameTextBox.setPlaceholderText('Enter your name')
        self.nameTextBox.move(100, 50)
        self.surnameTextBox = QLineEdit(self)
        self.surnameTextBox.setPlaceholderText('Enter your surname')
        self.surnameTextBox.move(100, 80)
        self.male = QRadioButton('Male', self)
        self.male.move(100, 110)
        self.male.setChecked(True)
        self.female = QRadioButton('Female', self)
        self.female.move(170, 110)
        button1 = QPushButton('submit', self)
        button1.move(150, 150)
        button1.clicked.connect(self.getValue)
        self.show()

    def getValue(self):
        name=self.name.text()
        surname=self.surname.text()
        if self.male.isChecked():
            print(' you are a male')
        else:
            print(' you are a female')

def main():
    App = QApplication(sys.argv)
    window = Window()
    sys.exit(App.exec_())

if __name__ == '__main__':
    main()