@query_params('timeout', 'master_timeout' 'allow_no_indices',
        'expand_wildcards', 'ignore_unavailable')
    def open(self, index, params=None):
        """
        Open a closed index to make it available for search.
        `<http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-open-close.html>`_

        :arg index: The name of the index
        :arg master_timeout: Specify timeout for connection to master
        :arg timeout: Explicit operation timeout
        :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.
        :arg ignore_unavailable: Whether specified concrete indices should be ignored
            when unavailable (missing or closed)
        """
        if SKIP_IN_PATH in index:
            raise ValueError("Empty value passed for a required argument 'index'.")
        _, data = self.transport.perform_request('POST', _make_path(index, '_open'),
            params=params)
        return data
dataset/ETHPy150Open KunihikoKido/sublime-elasticsearch-client/lib/elasticsearch/client/indices.py/IndicesClient.open/swapped operands of `in`