求大佬解答：requests 中post请求问题

1.利用python中requests 发post请求时得到的响应数据是报的一个错误：“POST body missing. Did you forget use body-parser middleware?” 2.利用postman 发相同的post请求响应数据是：

502 Server Error

Error: Server Error

The server encountered a temporary error and could not complete your request.

Please try again in 30 seconds.