Update tools/final_answer.py

tools/final_answer.py

@@ -1,14 +1,16 @@
-from typing import Any, Optional
+from typing import Any
 from smolagents.tools import Tool
 
 class FinalAnswerTool(Tool):
     name = "final_answer"
     description = "Provides a final answer to the given problem."
-    inputs = {'answer': {'type': 'any', 'description': 'The final answer to the problem'}}
-    output_type = "any"
-
-    def forward(self, answer: Any) -> Any:
-        return answer
+    inputs = {"answer": {"type": "string", "description": "The final answer to the problem"}}
+    output_type = "string"
 
     def __init__(self, *args, **kwargs):
-        self.is_initialized = False
+        super().__init__(*args, **kwargs)  # Initialize the parent class
+        self.is_initialized = True  # Correctly initialized
+
+    def forward(self, answer: Any) -> str:
+        return str(answer)  # Ensures a string output
+