Update app.py

Re instantiate as known

app.py

@@ -56,7 +56,7 @@ import datetime
 import requests
 import pytz
 import yaml
-#from tools.final_answer import FinalAnswerTool
+from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
@@ -87,8 +87,8 @@ def get_current_time_in_timezone(timezone: str) -> str:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
 
-### Initialize the final answer tool
-##final_answer = FinalAnswerTool()
+# Initialize the final answer tool
+final_answer = FinalAnswerTool()
 
 # Initialize the web search tool
 search_tool = DuckDuckGoSearchTool()