class ProfileAdmin(admin.ModelAdmin):
    form = ProfileForm

def save_model(self, request, obj, form, change):
    obj.user.first_name = form.cleaned_data['first_name']
obj.user.last_name = form.cleaned_data['last_name']
obj.user.save()
obj.save()
Как создать форму UserProfile в Django с модификациями first_name, last_name?