Make annotations optional for physical structures

subugoe · May 13, 2019 · e97076e · e97076e
1 parent e4ce84e
commit e97076e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Model/PhysicalStructure.php b/Model/PhysicalStructure.php
@@ -140,7 +140,7 @@ public function setFilename(string $filename): self
     /**
      * @return string
      */
-    public function getAnnotation(): string
+    public function getAnnotation(): ?string
     {
         return $this->annotation;
     }