Update app.py

app.py

@@ -2,17 +2,17 @@ import os
 import gradio as gr
 import pandas as pd
 import traceback
-from langchain_core.messages import HumanMessage
 from graph_builder import build_graph
 from api_client import fetch_questions, submit_answers
 
 class GaiaAgent:
     def __init__(self):
         self.graph = build_graph()
+        self.executor = self.graph.compile()  # ✅ compile the graph for execution
 
     def __call__(self, question):
         state = {"question": question}
-        result_state = self.graph.invoke(state)
+        result_state = self.executor.invoke(state)  # ✅ run using executor
         return result_state["final_answer"]
 
 def run_and_submit_all(profile):
@@ -71,7 +71,7 @@ with gr.Blocks() as demo:
 
     run_button.click(
         fn=run_and_submit_all,
-        inputs=[login_button],   # wire login profile as input
+        inputs=[login_button],
         outputs=[status_output, results_table]
     )