Update app.py

app.py

@@ -243,7 +243,7 @@ def generate_ai_description_from_image(image_data, language):
     final_prompt = f"{base_prompt}{lang_suffix}"
 
     try:
-        model = genai.GenerativeModel('gemini-2.0-flash-lite')
+        model = genai.GenerativeModel('gemini-2.5-flash-lite')
 
         response = model.generate_content([final_prompt, image])