问升级后PySide6给出错误号模块‘PySide6.QtWidget’

EN

import sys
from PySide6.QtWidgets import QApplication, QLabel

app = QApplication(sys.argv)
label = QLabel("Hello World!")
label.show()
app.exec()

$ python3.10 test.py 
Traceback (most recent call last):
  File "test.py", line 2, in <module>
    from PySide6.QtWidgets import QApplication, QLabel
ModuleNotFoundError: No module named 'PySide6.QtWidgets'

#!/usr/bin/env python3.10
import sys
import PySide6
from PySide6 import QtWidgets
from PySide6.QtWidgets import (QApplication, QMainWindow, QWidget, QPushButton, QVBoxLayout, QHBoxLayout)
from PySide6 import QtCore
from PySide6.QtCore import (Qt, QSize)

if __name__ == "__main__":
    app = QtWidgets.QApplication(sys.argv)
    #TODO
    app.exec()

$ ./test.py
Traceback (most recent call last):
  File "./test.py", line 4, in <module>
    from PySide6 import QtWidgets
ImportError: cannot import name 'QtWidgets' from 'PySide6' (~/.local/lib/python3.10/site-packages/PySide6/__init__.py)