old_contents: from django.conf.urls import include, url
  
  from dc_signup_form.forms import MailingListSignupForm
  from dc_signup_form.views import SignupFormView
  
  urlpatterns = [
      url(
          r'^signup/$',
          SignupFormView.as_view(
              template_name='base.html',
              form_class=MailingListSignupForm,
              backend='local_db'
          ),
          name='mailing_list_signup_view'),
      url(r'^api_signup/', include('dc_signup_form.signup_server.urls')),
  ]
  
new_contents: from django.conf.urls import include, url
  
  from dc_signup_form.forms import MailingListSignupForm
  from dc_signup_form.views import SignupFormView
  
  urlpatterns = [
      url(
          r'^signup/$',
          SignupFormView.as_view(
              template_name='base.html',
              form_class=MailingListSignupForm,
              backend='local_db'
          ),
          name='mailing_list_signup_view'),
      url(r'^api_signup/v1/', include('dc_signup_form.signup_server.urls')),
  ]
  
subject: move api signup route to /v1