errortest.py

import sys
from PyQt5 import QtCore, QtWidgets
from PyQt5.QtWidgets import QMainWindow, QLabel, QGridLayout, QWidget
from PyQt5.QtWidgets import QPushButton
from PyQt5.QtCore import QSize
from playsound import playsound # ses için 

class MainWindow(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.setMinimumSize(QSize(300, 200))    
        self.setWindowTitle("PyQt button example - pythonprogramminglanguage.com") 

        pybutton = QPushButton('Click me', self)
        pybutton.clicked.connect(self.clickMethod)
        pybutton.resize(100,32)
        pybutton.move(50, 50)        

    def clickMethod(self):
        playsound('error.mp3',False)#async çalması için False yaptık.Fakat linuxta ikinci parametre çalışmıyor.Manuel olarak async yapmak gerekir.
        print('Clicked Pyqt button.')

if __name__ == "__main__":
    app = QtWidgets.QApplication(sys.argv)
    mainWin = MainWindow()
    mainWin.show()
    sys.exit( app.exec_() )