AttributeError: 'module' object has no attribute 'WebClient'

client = slack.WebClient(token='xoxb-')

response = client.files_upload(

    channels="#general",

    file='/home/onone/onone.png',

    title='capture1.png',

    filetype='capture1.png'

)

assert response["ok"]

---

                                                   ↓  변경 

 

import requests

url = ''

files = {'file': open('/home/one.png, 'rb')}

 

r = requests.post(url, files=files)

r.text