def showError(self, title, text):
        
        errorWidget = QtGui.QMessageBox(self)
        errorWidget.setWindowTitle(title)
        errorWidget.setText(text)
        errorWidget.show()
Show an error message in a simple popup message box. Currently there
dataset/ETHPy150Open VisTrails/VisTrails/contrib/cdat/cdat_window.py/QVariableView.showError