Update app.py

app.py

@@ -23,8 +23,8 @@ def caption(image):
             {
                 "role": "user",
                 "content": [
-                    {"type": "text", "text": PROMPT},
-                    {"type": "image_url", "image_url": {"url": image_to_base64(image)}}
+                    {"type": "image", "url": image_to_base64(image)},
+                    {"type": "text", "text": PROMPT}
                ]
             }
         ],