Update app.py

app.py

@@ -18,7 +18,7 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # --- Basic Agent Definition ---
 class BasicAgent:
-     def __init__(self, model_name: str = "gemini-pro"):
+     def __init__(self, model_name: str = "gemini-2.0-flash-lite"):
         """
         Multi-modal agent powered by Google Gemini with:
         - Web search