| @@ -22,9 +22,9 @@ | ||
| 22 | 22 | * @param string $message |
| 23 | 23 | * @param int $code |
| 24 | 24 | * @param Exception|null $previous |
| 25 | 25 | */ |
| 26 | - public function __construct($message = 'not_found', $code = 0, Exception $previous = null) | |
| 26 | + public function __construct($message = 'not_found', $code = 0, ?Exception $previous = null) | |
| 27 | 27 | { |
| 28 | 28 | parent::__construct($message, $code, $previous); |
| 29 | 29 | } |
| 30 | 30 | } |