Update app.py

app.py

@@ -24,7 +24,7 @@ def caption(image):
                 "role": "user",
                 "content": [
                     {
-                        "type": "image",
+                        "type": "image_url",
                         "image_url": {"url": f"data:image/jpeg;base64,{image}"}
                     },
                     {"type": "text", "text": PROMPT}