sketch-to-image return message （The request multipart form is malformed: One of the files in the multipart form is not expected）

[success110]

hi

env:python 3.9

usage:

img:

import requests

r = requests.post('https://clipdrop-api.co/sketch-to-image/v1/sketch-to-image',
  files = {
    'image_file': ('owl-sketch.jpg', image_file_object, 'image/jpeg'),
    },
  data = { 'prompt': 'an owl on a branch, cinematic' },
  headers = { 'x-api-key': 'YOUR_API_KEY'}
)
if (r.ok):
  # r.content contains the bytes of the returned image
else:


  r.raise_for_status()

retrun error message ：
The request multipart form is malformed: One of the files in the multipart form is not expected

Please help me find out why there is an error. I'm looking forward to your response