def METHOD_NAME(self, val):
    self.targetValue = val
    match = [fn.eq(val, limVal) for limVal in self.reverse[0]]
    if not any(match):
        self.widget.setCurrentIndex(0)
    else:
        idx = match.index(True)
        key = self.reverse[1][idx]
        ind = self.widget.findText(key)
        self.widget.setCurrentIndex(ind)