Update app.py

app.py

@@ -5,6 +5,7 @@ import inspect
 import pandas as pd
 from agent import build_agent
 from langchain_core.messages import AnyMessage, HumanMessage, AIMessage
+import traceback
 
 # (Keep Constants as is)
 # --- Constants ---
@@ -19,9 +20,9 @@ class BasicAgent:
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
         question = [HumanMessage(content=question)]
-        final_answer = self.agent.invoke({"question": question})
+        final_answer = self.agent.invoke({"messages": question})
         print(f"Agent returning fixed answer: {final_answer}")
-        return final_answer
+        return final_answer["messages"][-1].content
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """
@@ -47,6 +48,7 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
         agent = BasicAgent()
     except Exception as e:
         print(f"Error instantiating agent: {e}")
+        traceback.print_exc()
         return f"Error initializing agent: {e}", None
     # In the case of an app running as a hugging Face space, this link points toward your codebase ( usefull for others so please keep it public)
     agent_code = f"https://huggingface.co/spaces/{space_id}/tree/main"
@@ -90,6 +92,7 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
         except Exception as e:
              print(f"Error running agent on task {task_id}: {e}")
              results_log.append({"Task ID": task_id, "Question": question_text, "Submitted Answer": f"AGENT ERROR: {e}"})
+             traceback.print_exc()
 
     if not answers_payload:
         print("Agent did not produce any answers to submit.")