Update app.py

app.py

@@ -12,19 +12,31 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # --- Basic Agent Definition ---
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
+
+# ... (other imports and constants remain the same) ...
+
+# ... (rest of the file remains unchanged) ...
 class BasicAgent:
     def __init__(self):
         print("BasicAgent initialized.")
         self.graph = agent_graph
     def __call__(self, question: str) -> str:
-        messages = [HumanMessage(content=question)]
+        print(f"Agent received question (first 50 chars): {question[:50]}...")
+        # Create conversation history with system prompt
+        messages = [SystemMessage(content="Answer the user's question."), 
+                    HumanMessage(content=question)]
+        
+        # Run the graph
         response = self.graph.invoke({"messages": messages})
-        last_msg = response["messages"][-1].content
         
-        if "FINAL ANSWER:" in last_msg:
-            return last_msg.split("FINAL ANSWER:")[-1].strip()
-        return last_msg
-
+        # Extract the final AI message
+        final_message = response["messages"][-1].content
+        
+        # Extract final answer if formatted with "FINAL ANSWER:"
+        if "FINAL ANSWER:" in final_message:
+            return final_message.split("FINAL ANSWER:")[-1].strip()
+        return final_message
+    
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """
     Fetches all questions, runs the BasicAgent on them, submits all answers,