Fixing oubli interface et awaretrait

src/UnicaenIndicateur/Service/Perimetre/PerimetreServiceAwareTrait.php

@@ -2,18 +2,16 @@
 
 namespace UnicaenIndicateur\Service\Perimetre;
 
-use Application\Service\Perimetre\PerimetreService;
-
 trait PerimetreServiceAwareTrait
 {
-    private  $perimetreService;
+    private  PerimetreServiceInterface $perimetreService;
 
-    public function getPerimetreService()
+    public function getPerimetreService(): PerimetreServiceInterface
     {
         return $this->perimetreService;
     }
 
-    public function setPerimetreService( $perimetreService): void
+    public function setPerimetreService(PerimetreServiceInterface $perimetreService): void
     {
         $this->perimetreService = $perimetreService;
     }