def error(message, level="error", exit_code=1, **kwargs):
    kwargs["fg"] = kwargs.get("fg", "red")
    click.secho(u"error: {}".format(message), **kwargs)
    sys.exit(exit_code)
def on_upper_bound_checked_changed(self):
        if self.ui.checkBoxUpperBound.isChecked():
            self.ui.spinBoxUpperBound.setEnabled(True)
            self.ui.spinBoxBoundaryNumber.setEnabled(True)
        elif not self.ui.checkBoxLowerBound.isChecked():
            self.ui.spinBoxUpperBound.setEnabled(False)
            self.ui.spinBoxBoundaryNumber.setEnabled(False)
        else:
            self.ui.spinBoxUpperBound.setEnabled(False)