How to use the redislite.client.RedisLiteException function in redislite

raise RedisLiteException('The binary redis-server failed to start')

        # Wait for Redis to start
        timeout = True
        for i in range(0, self.start_timeout * 10):
            if os.path.exists(self.socket_file):
                timeout = False
                break
            time.sleep(.1)
        if timeout:  # pragma: no cover
            raise RedisLiteServerStartError(
                'The redis-server process failed to start'
            )

        if not os.path.exists(self.socket_file):  # pragma: no cover
            raise RedisLiteException(
                'Redis socket file %s is not present' % self.socket_file
            )

        self._save_setting_registry()
        self.running = True

with open(self.redis_configuration_filename, 'w') as file_handle:
            file_handle.write(self.redis_configuration)

        redis_executable = __redis_executable__
        if not redis_executable:  # pragma: no cover
            redis_executable = 'redis-server'
        command = [redis_executable, self.redis_configuration_filename]
        logger.debug('Running: %s', ' '.join(command))
        rc = subprocess.call(command)
        if rc:  # pragma: no cover
            logger.debug('The binary redis-server failed to start')
            redis_log = os.path.join(self.redis_dir, 'redis.log')
            if os.path.exists(redis_log):
                with open(redis_log) as file_handle:
                    logger.debug(file_handle.read())
            raise RedisLiteException('The binary redis-server failed to start')

        # Wait for Redis to start
        timeout = True
        for i in range(0, self.start_timeout * 10):
            if os.path.exists(self.socket_file):
                timeout = False
                break
            time.sleep(.1)
        if timeout:  # pragma: no cover
            raise RedisLiteServerStartError(
                'The redis-server process failed to start'
            )

        if not os.path.exists(self.socket_file):  # pragma: no cover
            raise RedisLiteException(
                'Redis socket file %s is not present' % self.socket_file