Execute a saved search by search id.

        :param sid string: The id of the search
        :returns: :py:class:`planet.api.models.Items`
        :raises planet.api.exceptions.APIException: On API error.

        :Options:

        * page_size (int): Size of response pages
        * sort (string): Sorting order in the form `field (asc|desc)`

def saved_search(self, sid, **kw):
        '''Execute a saved search by search id.

        :param sid string: The id of the search
        :returns: :py:class:`planet.api.models.Items`
        :raises planet.api.exceptions.APIException: On API error.

        :Options:

        * page_size (int): Size of response pages
        * sort (string): Sorting order in the form `field (asc|desc)`

        '''
        path = 'data/v1/searches/%s/results' % sid
        params = self._params(kw)
        return self._get(self._url(path), body_type=models.Items,
                         params=params).get_body()