def __init__(self, parent=None): QtGui.QWidget.__init__(self, parent) self.ui = Ui_Dialog() self.ui.setupUi(self) palette2 = QtGui.QPalette() palette2.setBrush(self.backgroundRole(), QBrush(QImage("./pics/genback.png"))) icon = QtGui.QIcon() b = QtGui.QPixmap("./pics/logo.png") icon.addPixmap(b) self.setWindowIcon(icon) self.setPalette(palette2) self.ui.attendance.setMaximum(100) self.ui.change.setStyleSheet( 'background-color: rgb(0, 147, 203); color: rgb(255, 255, 255);') self.ui.toolButton_2.setStyleSheet( 'background-color: rgb(0, 147, 203); color: rgb(255, 255, 255);') QtCore.QObject.connect(self.ui.change, QtCore.SIGNAL("clicked()"), self.changed)