code: def unpublish(self):
          
  
          self._client._delete(
              "{0}/published".format(
                  self.__class__.base_url(
                      self.sys['space'].id,
                      self.sys['id'],
                      environment_id=self._environment_id
                  ),
              ),
              headers=self._update_headers()
          )
  
          return self.reload()
docs: Unpublishes the resource.