Show compatibility message.

def show_compatibility_message(self, message):
        """
        Show compatibility message.
        """
        messageBox = QMessageBox(self)
        messageBox.setWindowModality(Qt.NonModal)
        messageBox.setAttribute(Qt.WA_DeleteOnClose)
        messageBox.setWindowTitle('Compatibility Check')
        messageBox.setText(message)
        messageBox.setStandardButtons(QMessageBox.Ok)
        messageBox.show()