如何在Django中重定向到外部URL？

I think this should be easy, but I cannot figure it out. I am trying to write an opt-out view. I am receiving a get request. Through urls.py, I render my opt-out view. In this view, I save some parameters for the user in the database and then I want to redirect the user to an external URL. I tried:I think this should be easy, but I cannot figur