class PF35Thread(QtCore.QThread):
    signalPF35 = pyqtSignal()
    def __init__(self, parent = None):
        super().__init__(parent)
    def run(self):
        newcase = newcaseList[-1]
        os.system('EAZ{0}(3,5).EAZ{0}(3,5).OUT'.format(newcase))
        self.signalPF35.emit()