Update app.py

app.py

@@ -21,25 +21,47 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 class BasicAgent:
     def __init__(self):
-        print("CustomAgent (using Gemini) initialized.")
-
-        # Setup Gemini API
-        genai.configure(api_key=os.environ.get("GEMINI_API_KEY"))
-        self.model = genai.GenerativeModel('gemini-pro')
+        print("CustomAgent (using Gemini 2.0) initialized.")
+
+        # Set the environment variable (important for Hugging Face Spaces)
+        api_key = os.environ.get("GEMINI_API_KEY")
+        if not api_key:
+            raise ValueError("GEMINI_API_KEY not found in environment variables.")
+
+        os.environ["GOOGLE_API_KEY"] = api_key  # Needed for google-genai Client
+
+        # Initialize the Gemini client
+        self.client = genai.Client()
+
+        # Set model ID (you can choose another if needed)
+        self.model_id = "gemini-2.0-flash-exp"
+
+        # (Optional) Define generation config
+        self.generation_config = types.GenerateContentConfig(
+            temperature=0.4,
+            top_p=0.95,
+            top_k=20,
+            candidate_count=1,
+            seed=5,
+            presence_penalty=0.0,
+            frequency_penalty=0.0,
+        )
 
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
 
         try:
-            response = self.model.generate_content(
-                f"Answer the following question clearly and concisely: {question}"
+            response = self.client.models.generate_content(
+                model=self.model_id,
+                contents=f"Answer the following question clearly and concisely: {question}",
+                config=self.generation_config
             )
             answer = response.text.strip()
             print(f"Agent returning answer (first 100 chars): {answer[:100]}")
             return answer
         except Exception as e:
-            print(f"Error during Gemini API call: {e}")
-            return "Sorry, there was an error generating the answer."
+            print(f"Error during Gemini API call: {str(e)}")
+            return f"Error: {str(e)}"
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """