- ratesList = self.listRates(modeList[0][0])
- self.hw.setMode(port = port, mode = modeList[0][0], rate = ratesList[0][0])
+ if (len(modeList) > 0):
+ ratesList = self.listRates(modeList[0][0])
+ self.hw.setMode(port = port, mode = modeList[0][0], rate = ratesList[0][0])