update gemini version

app.py

@@ -1,3 +1,11 @@
+# Add this temporarily at the top of your app to list available models
+import google.generativeai as genai
+genai.configure(api_key=GOOGLE_API_KEY)
+
+for m in genai.list_models():
+    if "generateContent" in m.supported_generation_methods:
+        st.write(m.name)
+
 import os
 import gc
 import torch
@@ -134,7 +142,7 @@ def image_to_data_uri(image: Image.Image) -> str:
 # ============================================================================
 def generate_captions_gemini(image: Image.Image) -> list:
 
-    model = genai.GenerativeModel("gemini-1.5-flash")
+    model = genai.GenerativeModel("gemini-2.0-flash")
 
     prompts = [
         "Describe this image in detail covering the overall scene.",