@query_params('timeout', 'master_timeout')
    def update_aliases(self, body, params=None):
        """
        Update specified aliases.
        `<http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-aliases.html>`_

        :arg body: The definition of `actions` to perform
        :arg master_timeout: Specify timeout for connection to master
        :arg timeout: Request timeout
        """
        if SKIP_IN_PATH in body:
            raise ValueError("Empty value passed for a required argument 'body'.")
        _, data = self.transport.perform_request('POST', '/_aliases',
            params=params, body=body)
        return data
dataset/ETHPy150Open KunihikoKido/sublime-elasticsearch-client/lib/elasticsearch/client/indices.py/IndicesClient.update_aliases/swapped operands of `in`