def METHOD_NAME(self):
    dsp_filter = self.build_filter()
    if dsp_filter is None:
        self.ui.lineEditCustomTaps.setStyleSheet("background: red")
        self.ui.lineEditCustomTaps.setToolTip(self.error_message)
    elif len(dsp_filter.taps) != self.ui.spinBoxNumTaps.value():
        self.ui.lineEditCustomTaps.setStyleSheet("background: yellow")
        self.ui.lineEditCustomTaps.setToolTip("The number of the filter taps does not match the configured number of taps. I will use your configured filter taps.")
    else:
        self.ui.lineEditCustomTaps.setStyleSheet("")
        self.ui.lineEditCustomTaps.setToolTip("")