I am attempting to get a customer logo to load when a user signs into my app. To do that I am using the views function below to generate the logo url:

I already created an animation in dom for the login and registration but the only thing I need is to validate the registration and I already have the registration with django but I need it to show me the error if something happens with ajax and not restart the page or anything for that matter but in real time, this is the django code in views.py: