ok well tried it.... my class is class Ui_MainWindow(object): The error is: Attribute error: 'UI_MainWindow' object has no attribute 'connect' Button call in class, sub function, def setupUi(self, MainWindow): self.connect(self.pushButton, QtCore.SIGNAL("clicked()"), self.updateTab1) Function in Class: def updateTab1(self, MainWindow):
QtCore.QObject.connect(self.ui.btnAdd, QtCore.SIGNAL('clicked()'), self.doAdd)
self.ui = Ui_MainWindow()