[SOLVED] Swoole Coroutine Error

<?php
require_once __DIR__ . '/vendor/autoload.php';

use Utopia\Database\Database;
use Utopia\Cache\Cache;
use Utopia\Cache\Adapter\Memory;
use Utopia\Database\Adapter\Mongo;
use Utopia\Mongo\Client; // from utopia-php/mongo
use Swoole\Coroutine\Client as cli;
$dbHost = 'mongo';
$dbPort = 27017; 
$dbUser = 'root';
$dbPass = 'password';
$dbName = 'dbName';

$mongoClient = new Client($dbName, $dbHost, $dbPort, $dbUser, $dbPass);

$cache = new Cache(new Memory()); // or use any cache adapter you wish

$database = new Database(new Mongo($client), $cache);
?>

PHP Fatal error:  Uncaught Error: Class "Swoole\Coroutine\Client" not found in /home/arnab/Desktop/php-utopia-database/vendor/utopia-php/mongo/src/Client.php:83
Stack trace:
#0 /home/arnab/Desktop/php-utopia-database/test.php(16): Utopia\Mongo\Client->__construct()
#1 {main}
  thrown in /home/arnab/Desktop/php-utopia-database/vendor/utopia-php/mongo/src/Client.php on line 83