Update tools/final_answer.py

tools/final_answer.py

@@ -11,4 +11,5 @@ class FinalAnswerTool(Tool):
         return answer
 
     def __init__(self, *args, **kwargs):
-        self.is_initialized = False
+        super().__init__(*args, **kwargs) # Mandatory for smolagents
+        self.is_initialized = False