'Return the object corresponding to a matched URL.
Takes the matched URL conf arguments, and should return an
object instance, or raise an `ObjectDoesNotExist` exception.'

def get_object(self, view_name, view_args, view_kwargs):

    lookup_value = view_kwargs[self.lookup_url_kwarg]
    lookup_kwargs = {self.lookup_field: lookup_value}
    return self.get_queryset().get(**lookup_kwargs)
