copying code from prior examples, not sure if tools.final_answer is actually necessary

app.py

@@ -1,5 +1,5 @@
 import streamlit as st
-from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
+from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool
 from tools.final_answer import FinalAnswerTool
 from huggingface_hub import notebook_login
 import yaml

tools/final_answer.py

@@ -0,0 +1,14 @@
+from typing import Any, Optional
+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
+
+    def __init__(self, *args, **kwargs):
+        self.is_initialized = False