url1 = "https://api.weixin.qq.com/cgi-bin/material/add_material?access_token="+access_token+"&type={}"

response = requests.post(url1, files=files)

tmid=response.json()["media_id"]

article = {

    "title": "你好，世界",

    "author": "asdf",

    "thumb_media_id": tmid,

    "content": "欢迎使用微信公众号推送功能！"

}

url = "https://api.weixin.qq.com/cgi-bin/material/add_material?access_token="+access_token+"&type=TYPE"

responseDraft = requests.post(url, json=article)

resultDraft = responseDraft.json()

{'errcode': 41005,
 'errmsg': 'media data missing hint: [1mwSha0724p566] rid: 66855f53-63bb583c-3d1d275a'}