diff --git a/app/main.py b/app/main.py
index 369d46df..34bc0b09 100644
--- a/app/main.py
+++ b/app/main.py
@@ -35,7 +35,7 @@ def hide(self) -> None:
 class Carnivore(Animal):
 
     @staticmethod
-    def bite(herbivore: "Herbivore") -> None:
+    def bite(herbivore: Herbivore) -> None:
         if not isinstance(herbivore, Herbivore) or herbivore.hidden:
             return
         herbivore.health -= 50