from PySide6 import QtCore, QtQml
from PySide6.QtGui import QGuiApplication


def qt_message_handler(mode, context, message):
    print ('QML: %s (%s:%d)' % (message, context.file, context.line))


QtCore.qInstallMessageHandler(qt_message_handler)


print('before app')
app = QGuiApplication([]) # ['', '-qmljsdebugger=port:10002,block'])
print('after app')

engine = QtQml.QQmlApplicationEngine()
engine.load('view.qml')

print('before exec')
app.exec_()