Cutomize django allauth signup form, from https://github.com/pydanny/multiple-user-types-django

forms.py

from django import forms as d_forms
from allauth.account.forms import SignupForm

# SpyBookSignupForm inherits from django-allauth's SignupForm
class SpyBookSignupForm(SignupForm):

    # Specify a choice field that matches the choice field on our user model
    type = d_forms.ChoiceField(choices=[("SPY", "Spy"), ("DRIVER", "Driver")])

    # Override the init method
    def __init__(self, *args, **kwargs):
        # Call the init of the parent class
        super().__init__(*args, **kwargs)
        # Remove autofocus because it is in the wrong place
        del self.fields["username"].widget.attrs["autofocus"]

    # Put in custom signup logic
    def custom_signup(self, request, user):
        # Set the user's type from the form reponse
        user.type = self.cleaned_data["type"]
        # Save the user's type to their database record
        user.save()   

settings.py

ACCOUNT_FORMS = {
    "signup": "spybook.users.forms.SpyBookSignupForm",
}