Update vlm.py

vlm.py

@@ -81,8 +81,8 @@ def build_messages(message: dict, history: list[dict]):
     for image in user_images:
         user_content.append(
             {
-                "type": "image_url",
-                "image_url": f"data:image/jpeg;base64,{encode_image(image)}"
+                "type": "image",
+                "image": f"data:image/jpeg;base64,{encode_image(image)}"
             }
         )