Must rerun to show data

[evrintobing]

Hey guy's. I want to ask. I use pycharm as my python IDE and i build api using flask. My project connect to database when i run my project and i use postman to send the respons to my api the data successful insert to database but when i run the method to show all the data in database there is no data show. When i rerun the program and run that method to show the data its appear.
Anyone can help me how to show the data without rerun the project?

Thanks