docs: def list(self, identity_id, per_page=20, page=1):
          """ Get a list of tokens
  
              :param identity_id: The ID of the identity to retrieve tokens for
              :param per_page: The number of results per page returned
              :param page: The page number of the results
              :return: dict of REST API output with headers attached
              :rtype: :class:`~datasift.request.DictResponse`
              :raises: :class:`~datasift.exceptions.DataSiftApiException`,
                  :class:`requests.exceptions.HTTPError`
          """
  
          params = {'per_page': per_page, 'page': page}
  
          return self.request.get(str(identity_id) + '/token', params)