pyqt5报错AttributeError: 'Ui_MainWindow' object has no attribute 'pic_shpw'

pyqt5报错：AttributeError: 'Ui_MainWindow' object has no attribute 'pic_shpw'
想知道怎样改才能运行

代码是这样的：

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'shiyanpin.ui'
#
# Created by: PyQt5 UI code generator 5.15.9
#
# WARNING: Any manual changes made to this file will be lost when pyuic5 is
# run again.  Do not edit this file unless you know what you are doing.


from PyQt5 import QtCore, QtGui, QtWidgets


class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(747, 655)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(80, 190, 151, 71))
        font = QtGui.QFont()
        font.setPointSize(12)
        self.pushButton.setFont(font)
        self.pushButton.setObjectName("pushButton")
        self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_2.setGeometry(QtCore.QRect(80, 320, 151, 71))
        font = QtGui.QFont()
        font.setPointSize(12)
        self.pushButton_2.setFont(font)
        self.pushButton_2.setObjectName("pushButton_2")
        self.pushButton_3 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_3.setGeometry(QtCore.QRect(80, 430, 151, 71))
        font = QtGui.QFont()
        font.setPointSize(12)
        self.pushButton_3.setFont(font)
        self.pushButton_3.setObjectName("pushButton_3")
        self.label = QtWidgets.QLabel(self.centralwidget)
        self.label.setGeometry(QtCore.QRect(291, 154, 411, 371))
        self.label.setObjectName("label")
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 747, 26))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)
        self.pushButton.clicked.connect(self.pic_shpw) # type: ignore
        self.pushButton_2.clicked.connect(self.pic_change1) # type: ignore
        self.pushButton_3.clicked.connect(self.pic_change2) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
        self.pushButton.setText(_translate("MainWindow", "选择图片"))
        self.pushButton_2.setText(_translate("MainWindow", "图像打码"))
        self.pushButton_3.setText(_translate("MainWindow", "图像解码"))
        self.label.setText(_translate("MainWindow", "TextLabel"))


import sys


if __name__ == '__main__':
    app = QtWidgets.QApplication(sys.argv)
    mainWindow = QtWidgets.QMainWindow()
    ui = Ui_MainWindow()
    ui.setupUi(mainWindow)
    mainWindow.show()
    sys.exit(app.exec_())
![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/232445546686182.png "#left")

这个错误通常表示在PyQt5中，你的UI文件（.ui文件）中的某个对象（例如pic_shpw）未正确连接到你的Python代码中的对象。