PySide2 and PySide6 freezes when a QThread contains a PyAudio() stream, while PyQt5 works well

import sys, pyaudio
from PySide2.QtCore import *
from PySide2.QtWidgets import *
from PySide2.QtGui import *
import threading, webbrowser

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        widget = Widget()
        self.setCentralWidget(widget)
        self.show()

class Widget(QWidget):
    def __init__(self):
        super().__init__()
        self.btn1 = QPushButton('''Open Being''')
        self.btn1.clicked.connect(lambda: webbrowser.open('https://www.bing.com'))
        self.btn2 = QPushButton('''Get pyaudio''')
        self.btn2.clicked.connect(self.getPyaudioThread)
        layout = QVBoxLayout()
        layout.addWidget(self.btn1)
        layout.addWidget(self.btn2)
        self.setLayout(layout)

    def getPyaudioThread(self):
        self.pyaudioThread = PyaudioThread()
        self.pyaudioThread.start()

class PyaudioThread(QThread):
    CHUNK = 1024
    FORMAT = pyaudio.paInt16
    CHANNELS = 1
    RATE = 16000

    def __init__(self):
        super().__init__()

    def record(self, stream):
        while True:
            stream.read(self.CHUNK)

    def run(self):
        self.p = pyaudio.PyAudio()
        stream = self.p.open(channels=self.CHANNELS,
                        format=self.FORMAT,
                        rate=self.RATE,
                        input=True,
                        frames_per_buffer=self.CHUNK)
        # threading.Thread(target=self.record, args=[stream]).start()
        print('pyaudio required')

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

if __name__ == '__main__':
    main()