Python requests in DreamFactory return JSON won't display at Postman

Hi , i am very confused about the JSON return by calling of python function and this question i asked is at http://stackoverflow.com/questions/42895539/python-requests-in-dreamfactory-return-json-wont-display-at-postman , i am wandering is there any one who has experience this and help me out on this ?

Thanks,
Kalmen