pyside和qml相互调用的问题

使用pyside调用qml文件中遇到的问题。在python环境中安装了pyside之后，使用Qtcreator调用pyside安装包里的example中的basic例程
.使用Qtcreator打开例程中的工程文件，qml文件中显示" QML module no found " 编译运行也通不过。
python代码如下是例程中的

"""PySide6 port of the qml/tutorials/extending-qml/chapter1-basics example from Qt v5.x"""

import os
from pathlib import Path
import sys

from PySide6.QtCore import Property, Signal, QUrl
from PySide6.QtGui import QGuiApplication, QPen, QPainter, QColor
from PySide6.QtQml import QmlElement
from PySide6.QtQuick import QQuickPaintedItem, QQuickView

# To be used on the @QmlElement decorator
# (QML_IMPORT_MINOR_VERSION is optional)
QML_IMPORT_NAME = "Charts"
QML_IMPORT_MAJOR_VERSION = 1


@QmlElement
class PieChart (QQuickPaintedItem):

    nameChanged = Signal()

    def __init__(self, parent=None):
        QQuickPaintedItem.__init__(self, parent)
        self._name = u''
        self._color = QColor()

    def paint(self, painter):
        pen = QPen(self.color, 2)
        painter.setPen(pen)
        painter.setRenderHints(QPainter.Antialiasing, True)
        painter.drawPie(self.boundingRect().adjusted(1, 1, -1, -1), 90 * 16, 290 * 16)

    @Property(QColor)
    def color(self):
        return self._color

    @color.setter
    def color(self, value):
        self._color = value

    @Property(str, notify=nameChanged)
    def name(self):
        return self._name

    @name.setter
    def name(self, value):
        self._name = value


if __name__ == '__main__':
    app = QGuiApplication(sys.argv)

    view = QQuickView()
    view.setResizeMode(QQuickView.SizeRootObjectToView)
    qml_file = os.fspath(Path(__file__).resolve().parent / 'app.qml')
    view.setSource(QUrl.fromLocalFile(qml_file))
    if view.status() == QQuickView.Error:
        sys.exit(-1)
    view.show()
    res = app.exec()
    # Deleting the view before it goes out of scope is required to make sure all child QML instances
    # are destroyed in the correct order.
    del view
    sys.exit(res)

下面是QML代码

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
//![0]
import Charts
import QtQuick

Item {
    width: 300; height: 200

    PieChart {
        id: aPieChart
        anchors.centerIn: parent
        width: 100; height: 100
        name: "A simple pie chart"
        color: "red"
    }

    Text {
        anchors {
            bottom: parent.bottom;
            horizontalCenter: parent.horizontalCenter;
            bottomMargin: 20
        }
        text: aPieChart.name
    }
}

以下是报错的图片：

在网上找过一些答案说是是由于QML_IMPORT_PATH 的变量值不对，在工程文件中添加，试过了没成功，这个情况是怎么处理？希望能详细解答一下

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