Update app.py

app.py

@@ -120,7 +120,7 @@ def chat_about_image(message, chat_history):
         
         # Make API call
         completion = client.chat.completions.create(
-            model="llama-3.2-90b-chat",  # Using the chat model here
+            model="llama-3.2-90b-vision-preview",  # Using the chat model here
             messages=messages,
             temperature=0.7,
             max_tokens=500,