Unable to create gist using `GhApi().gists.create()` about ghapi HOT 3 CLOSED

import json
import requests

GITHUB_API="https://api.github.com"
API_TOKEN='yourtoken'

#form a request URL
url=GITHUB_API+"/gists"
print("Request URL: %s"%url)

headers ={
    'Authorization': 'token %s' % API_TOKEN
}

params = {
 'scope': 'gist'   
}

payload = {
    "description": "An algorithm that describes obtaining the width and length of an underwater water cistern.",
    "public": True,
    "files": {
        "cistern.txt": {"content": "A cistern.\nThe height is 3.33, and a volume of 27.78 has been excavated.\nThe length exceeds the width by 0.83.\nYou should take the reciprocal of the height, 3.33, obtaining 0.3.\nMultiplay this by the volume, 27.78, obtaining 8.33.\nTake half of 0.83 and square it, obtaining 0.17.\nAdd 8.33 and you get 8.51.\nThe square root is 2.92.\nMake two copies of this, adding to the one 0.42 and subtracting from the other.\nYou find that 3.33 is the length and 2.5 is the width.\nThisis the procedure." 
    }
  }
}

res = requests.post(url, headers=headers, params=params, data=json.dumps(payload))

from ghapi.core import GhApi
gists = GhApi().gists
gist = gists.create("testing gist", public=True, files={"test.txt": {"content": "My content"}})
print(gist.html_url)
gists.delete(gist.id)