code: def tag(self, repository, tag=None, **kwargs):
          
          return self.client.api.tag(self.id, repository, tag=tag, **kwargs)
docs: Tag this image into a repository. Similar to the ``docker tag``
          command.
  
          Args:
              repository (str): The repository to set for the tag
              tag (str): The tag name
              force (bool): Force
  
          Raises:
              :py:class:`docker.errors.APIError`
                  If the server returns an error.
  
          Returns:
              (bool): ``True`` if successful