REG ->6.2.4: Cannot return Qt.CheckState enum values from QAbstractItemModel::flags()

from PySide6.QtWidgets import *
from PySide6.QtCore import *
from PySide6.QtGui import *
import sys
import typing


class ChoiceModel(QAbstractListModel):
    def __init__(self, data: typing.List[dict]) -> None:
        super().__init__()
        self._data = data

    def rowCount(self, parent: QModelIndex = QModelIndex()) -> int:
        if parent == QModelIndex():
            return len(self._data)
        return 0

    def data(self, index: QModelIndex, role: int = Qt.DisplayRole) -> typing.Any:

        if not index.isValid():
            return

        if role == Qt.DisplayRole:
            return self._data[index.row()]["name"]

        if role == Qt.CheckStateRole:
            return Qt.Checked if self._data[index.row()]["checked"] else Qt.Unchecked

    def setData(
        self, index: QModelIndex, value: typing.Any, role: int = Qt.EditRole
    ) -> bool:

        if role != Qt.CheckStateRole:
            return False
        if index.column() > 0:
            return False
        self._data[index.row()]["checked"] = True if value == Qt.Checked else False
        self.dataChanged.emit(index, index, [role])
        return True

    def flags(self, index: QModelIndex) -> Qt.ItemFlags:
        return super().flags(index) | Qt.ItemIsUserCheckable | Qt.ItemIsEditable

    def checked_items(self):
        return [it["name"] for it in self._data if it["checked"]]


if __name__ == "__main__":

    app = QApplication(sys.argv)

    view = QListView()
    model = ChoiceModel(
        [{"name": "test", "checked": True}, {"name": "test", "checked": True}]
    )
    view.setModel(model)

    view.show()

    app.exec()