non working qtableview delagate

import sys

from PySide6.QtCore import QAbstractTableModel, QSize, Qt
from PySide6.QtWidgets import QAbstractItemView, QApplication, QComboBox, QItemDelegate, QMainWindow, QStyle, QTableView

class ComboBoxDelegate(QItemDelegate):

    def __init__(self, parent):
        super().__init__(parent)
        self.items = ['AAA', 'BBB', 'CCC']

    def createEditor(self, parent, option, index):
        editor = QComboBox(parent)
        editor.addItems(self.items)
        return editor

    def setEditorData(self, editor, index) -> None:
        editor.setCurrentText(index.model().data(index, Qt.ItemDataRole.EditRole))

    def setModelData(self, editor, model, index):
        model.setData(index, editor.currentText(), Qt.ItemDataRole.EditRole)

    def updateEditorGeometry(self, editor, option, index):
        editor.setGeometry(option.rect)

    def paint(self, painter, option, index):
        text = self.items[index.row()]
        option.text = text
        QApplication.style().drawControl(QStyle.CE_ItemViewItem, option, painter)


class TableModel(QAbstractTableModel):

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

        self.__data = [['AAA', 1], ['BBB', 2]]

    def rowCount(self, index):
        return len(self.__data)

    def columnCount(self, index):
        return len(self.__data[0])

    def headerData(self, section, orientation, role):
        if orientation == Qt.Horizontal and role == Qt.DisplayRole:
            if section == 0:
                return 'str'
            else:
                return 'int'

    def flags(self, index):
        return Qt.ItemFlag.ItemIsEnabled | Qt.ItemFlag.ItemIsSelectable | Qt.ItemFlag.ItemIsEditable

    def data(self, index, role):
        if index.isValid():
            match role:
                case Qt.ItemDataRole.EditRole:
                    return self.__data[index.row()][index.column()]
                case Qt.ItemDataRole.DisplayRole:
                    return self.__data[index.row()][index.column()]

    def setData(self, index, value, role = Qt.EditRole) -> bool:
        if index.isValid():
            match role:
                case Qt.ItemDataRole.EditRole:
                    self.__data[index.row()][index.column()] = value
                    self.dataChanged.emit(index, index)
                    return True

        return False


app = QApplication(sys.argv)

window = QMainWindow()
window.setFixedSize(QSize(800, 600))

w = QTableView(window)
w.setFixedSize(QSize(700, 550))
w.verticalHeader().hide()
w.setSelectionBehavior(QAbstractItemView.SelectRows)

m = TableModel()
w.setModel(m)
w.selectRow(0)

d = ComboBoxDelegate(w)
w.setItemDelegateForColumn(0, d)

window.setCentralWidget(w)
window.show()

app.exec()