Fix ZeroGPU startup error by decorating the Gradio submit handler.

ZeroGPU Spaces require @spaces.GPU on the function bound to .click(); add spaces import and 1h duration budget for the full eval run.

app.py

@@ -3,6 +3,7 @@ import os
 import gradio as gr
 import pandas as pd
 import requests
+import spaces
 
 from files import download_task_file
 
@@ -10,7 +11,8 @@ from files import download_task_file
 # --- Constants ---
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
-def run_and_submit_all( profile: gr.OAuthProfile | None):
+@spaces.GPU(duration=3600)
+def run_and_submit_all(profile: gr.OAuthProfile | None):
     """
     Fetches all questions, runs the BasicAgent on them, submits all answers,
     and displays the results.

requirements.txt

@@ -7,3 +7,4 @@ openpyxl
 youtube-transcript-api
 Pillow
 datasets
+spaces