Update app.py

app.py

@@ -3,6 +3,7 @@ import gradio as gr
 import requests
 import inspect
 import pandas as pd
+import openai
 
 # (Keep Constants as is)
 # --- Constants ---
@@ -12,12 +13,30 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
 class BasicAgent:
     def __init__(self):
-        print("BasicAgent initialized.")
+        self.api_key = os.getenv("OPENAI_API_KEY")
+        if not self.api_key:
+            raise ValueError("OpenAI API key not found. Please set OPENAI_API_KEY as environment variable.")
+        openai.api_key = self.api_key
+        print("🔑 OpenAI Agent initialized.")
+
     def __call__(self, question: str) -> str:
-        print(f"Agent received question (first 50 chars): {question[:50]}...")
-        fixed_answer = "This is a default answer."
-        print(f"Agent returning fixed answer: {fixed_answer}")
-        return fixed_answer
+        print(f"❓ Question received: {question[:50]}...")
+        try:
+            response = openai.ChatCompletion.create(
+                model="gpt-3.5-turbo",  # or "gpt-4" if you have access
+                messages=[
+                    {"role": "system", "content": "You are a helpful assistant that answers GAIA benchmark questions."},
+                    {"role": "user", "content": question}
+                ],
+                max_tokens=300,
+                temperature=0.7
+            )
+            answer = response["choices"][0]["message"]["content"].strip()
+            print(f"✅ Answer: {answer}")
+            return answer
+        except Exception as e:
+            print(f"❌ Error calling OpenAI API: {e}")
+            return f"ERROR: {e}"
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """