errors handling

menus.py

@@ -115,6 +115,10 @@ class MenuMessageFormatter:
         self.env = env
 
     def create_message(self, menus: Menus, menu_type: str) -> str:
+        if menus is None:
+            template = self.env.get_template("menu-erreur.txt")
+            return template.render()
+
         days = menus.days
         if menu_type.lower() == "introduction":
             menu = menus.introduction