Django: How to automatically log in users after registration

urls.py

from django.urls import include, path
from . import views


urlpatterns = [
    path('signup', views.SignUp.as_view(), name='signup'),
]

views.py

from django.urls import reverse_lazy
from django.views.generic.edit import CreateView
from django.contrib.auth import authenticate, login
from .models import User
from .admin import UserCreationForm


class SignUp(CreateView):
    model = User
    form_class = UserCreationForm
    template_name = 'accounts/signup.html'
    success_url = reverse_lazy('create_profile')

    def form_valid(self, form):
        valid = super(SignUp, self).form_valid(form)
        email, password = form.cleaned_data.get('email'), form.cleaned_data.get('password1')
        user = authenticate(email=email, password=password)
        login(self.request, user)
        return valid