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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _getError(self, device, message):
 """ Get the error message or value stored in the Qik hardware. :Parameters: device : `int` The device is the integer number of the hardware devices ID and is only used with the Pololu Protocol. message : `bool` If set to `True` a text message will be returned, if set to `False` the integer stored in the Qik will be returned. :Returns: A list of text messages, integers, or and empty list. See the `message` parameter above. """

        cmd = self._COMMAND.get('get-error')
        self._writeData(cmd, device)
        result = []
        bits = []

        try:
            num = self._serial.read(size=1)
            num = ord(num)
        except serial.SerialException as e:
            self._log and self._log.error("Error: %s", e, exc_info=True)
            raise e
        except TypeError as e:
            num = 0

        for i in range(7, -1, -1):
            bit = num & (1 << i)

            if bit:
                if message:
                    result.append(self._ERRORS.get(bit))
                else:
                    result.append(bit)

        return result