| @@ -723,9 +723,9 @@ | ||
| 723 | 723 | * @param Mustache_Cache $cache (default: null) |
| 724 | 724 | * |
| 725 | 725 | * @return Mustache_Template |
| 726 | 726 | */ |
| 727 | - private function loadSource($source, Mustache_Cache $cache = null) | |
| 727 | + private function loadSource($source, ?Mustache_Cache $cache = null) | |
| 728 | 728 | { |
| 729 | 729 | $className = $this->getTemplateClassName($source); |
| 730 | 730 | |
| 731 | 731 | if (!isset($this->templates[$className])) { |
