@query_params('allow_no_indices', 'expand_wildcards', 'flat_settings',
        'ignore_unavailable', 'master_timeout')
    def put_settings(self, body, index=None, params=None):
        """
        Change specific index level settings in real time.
        `<http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-update-settings.html>`_

        :arg body: The index settings to be updated
        :arg index: A comma-separated list of index names; use `_all` or empty
            string to perform the operation on all indices
        :arg allow_no_indices: Whether to ignore if a wildcard indices
            expression resolves into no concrete indices. (This includes `_all`
            string or when no indices have been specified)
        :arg expand_wildcards: Whether to expand wildcard expression to concrete
            indices that are open, closed or both., default u'open'
        :arg flat_settings: Return settings in flat format (default: false)
        :arg ignore_unavailable: Whether specified concrete indices should be
            ignored when unavailable (missing or closed)
        :arg master_timeout: Specify timeout for connection to master
        """
        if SKIP_IN_PATH in body:
            raise ValueError("Empty value passed for a required argument 'body'.")
        _, data = self.transport.perform_request('PUT', _make_path(index, '_settings'),
            params=params, body=body)
        return data
dataset/ETHPy150Open KunihikoKido/sublime-elasticsearch-client/lib/elasticsearch/client/indices.py/IndicesClient.put_settings/swapped operands of `in`