While importing swagger file for TMF Open APIs, array elements is being repeated

Hi, while I am importing swagger files to postman, if I go to JSON request body, I can see the array elements repeating twice for every array element.

Refer the Payment and Party specifications and the respective array elements repeating twice.
Payment Management swagger: Payment Management Swagger spec
Postman POST tags for Payment:Payment_Postman_Swagger
Party Management Swagger spec
Postman POST tags for Party:

This is happening for my own swagger spec files as well, I can’t understand why these array elements are repeating.