def readU8(self, reg):
        # Read an unsigned byte from the I2C device
        try:
            result = self.bus.read_byte_data(self.address, reg)
            return result
        except (IOError):
            print (self.address % "Error accessing 0x%02X: Check your I2C address")
            return -1
dataset/ETHPy150Open cTn-dev/PyComms/PyComms/pycomms.py/PyComms.readU8/swapped operands of `%`