Update app.py

app.py

@@ -126,6 +126,21 @@ def wikipedia_search(query: str) -> str:
 # === Constants ===
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
+# === Tool 7: Final Answer Tool ===
+@tool
+def final_answer(text: str) -> str:
+    """
+    Wraps and formats the final answer clearly for scoring.
+
+    Args:
+        text: The conclusive answer.
+
+    Returns:
+        A string in the format 'Final Answer: ...'
+    """
+    return f"Final Answer: {text}"
+
+
 # === BasicAgent ===
 class BasicAgent:
     def __init__(self):
@@ -135,7 +150,10 @@ class BasicAgent:
             temperature=0.5,
         )
 
-        final_answer = FinalAnswerTool()
+# Already defined above
+# No need to instantiate it like a class
+# So we just use `final_answer` as a reference to the tool
+
 
         self.rag_fallbacks = {
             "Mercedes Sosa": "Mercedes Sosa released **5** studio albums between 2000–2009.",