def METHOD_NAME(self, index):
    attr_filename = self.get_attr_filename(index, 'input')
    if attr_filename == '':
       return 0.0
    attr_path = self.HWMON_PATH + attr_filename
    attr_value = self.get_attr_value(attr_path)
    if (attr_value != 'ERR'):
        attr_value = float(attr_value)
    else:
        return 0.0
    return float(attr_value/1000)