          # Work around for a bug in Django:
          # https://code.djangoproject.com/ticket/19422
          #
          # Also see corresponding ticket:
          # https://github.com/tomchristie/django-rest-framework/issues/705
          abstract = 'rest_framework.authtoken' not in settings.INSTALLED_APPS
          verbose_name = _("Token")
          verbose_name_plural = _("Tokens")
  
      def save(self, *args, **kwargs):
 
</s> remove         # See https://github.com/tomchristie/django-rest-framework/issues/1954
        # and https://github.com/tomchristie/django-rest-framework/pull/4489
 </s> add         # See https://github.com/encode/django-rest-framework/issues/1954
        # and https://github.com/encode/django-rest-framework/pull/4489 </s> remove         # See https://github.com/tomchristie/django-rest-framework/issues/4608
 </s> add         # See https://github.com/encode/django-rest-framework/issues/4608 </s> remove         # https://github.com/tomchristie/django-rest-framework/issues/4089
 </s> add         # https://github.com/encode/django-rest-framework/issues/4089 </s> remove # Refs https://github.com/tomchristie/django-rest-framework/issues/3381
 </s> add # Refs https://github.com/encode/django-rest-framework/issues/3381 </s> remove         See: https://github.com/tomchristie/django-rest-framework/issues/1708
 </s> add         See: https://github.com/encode/django-rest-framework/issues/1708
        # https://github.com/encode/django-rest-framework/issues/705
          # Work around for a bug in Django:
          # https://code.djangoproject.com/ticket/19422
          #
          # Also see corresponding ticket:
        # https://github.com/encode/django-rest-framework/issues/705
          abstract = 'rest_framework.authtoken' not in settings.INSTALLED_APPS
          verbose_name = _("Token")
          verbose_name_plural = _("Tokens")
  
      def save(self, *args, **kwargs):
keep keep keep keep replace keep keep keep keep keep
 Update links after moving to encode org 
rest_framework/authtoken/models.py