Fix import error.

app.py

@@ -2,7 +2,7 @@ import os
 from pathlib import Path
 import gradio as gr
 import requests
-#from llama_index.llms.huggingface_api import HuggingFaceInferenceAPI
+import pandas as pd
 from llama_index.llms.gemini import Gemini
 from llama_index.core.agent.workflow import ReActAgent
 from llama_index.core.tools import FunctionTool
@@ -64,12 +64,16 @@ def fetch_questions(api_url: str = DEFAULT_API_URL):
     questions_url = f"{api_url}/questions"
     print(f"Fetching questions from: {questions_url}")
     response = requests.get(questions_url, timeout=15)
-    response.raise_for_status()
+    try:
+        response.raise_for_status()
+    except Exception:
+        print(f"Response text: {response.text[:500]}")
+        raise
     questions_data = response.json()
     return questions_data
 
 
-async def run_and_submit_all( profile: gr.OAuthProfile | None):
+async 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

@@ -1,6 +1,7 @@
 dotenv
 gradio
 requests
+pandas
 llama-index
 llama-index-llms-gemini
 llama-index-tools-duckduckgo