Видео ютуба по тегу Unable To Resolv Didn't Return An Httpresponse Object. It Returned None Instead

Solving the HttpResponse Error in Django: Managing User Input in Forms
Solving the HttpResponse Error in Django: Managing User Input in Forms
Django : View didn't return an HttpResponse object. It returned None instead
Django : View didn't return an HttpResponse object. It returned None instead
Django : The view ___ didn't return an HttpResponse object. It returned None instead
Django : The view ___ didn't return an HttpResponse object. It returned None instead