Paypal Integration with django

Hye, everyone! I am working on a web app using Django and I am trying to integrate Paypal API into it. In the country in which I live, Paypal doesn’t work here officially. So I asked my friend in Canada to make one personal account so that I can use it for testing purposes. I followed Django Paypal Payment Gateway Integration Tutorial - YouTube for this. But when I enter his credentials of my friend to login , it says
Can anyone please help!