How to use the keen.utilities.KeenKeys.READ function in keen

    @requires_key(KeenKeys.READ)
    def results(self, dataset_name, index_by, timeframe):
        """ Retrieve results from a Cached Dataset. Read key must be set.
        """
        url = "{0}/{1}/results".format(self._cached_datasets_url, dataset_name)

        index_by = index_by if isinstance(index_by, str) else json.dumps(index_by)
        timeframe = timeframe if isinstance(timeframe, str) else json.dumps(timeframe)

        query_params = {
            "index_by": index_by,
            "timeframe": timeframe
        }

        return self._get_json(
            HTTPMethods.GET, url, self._get_read_key(), params=query_params
        )

def method_wrapper(self, *args, **kwargs):
            for case in switch(key_type):
                if case(KeenKeys.READ):
                    if not self._get_read_key():
                        _throw_key_missing(KeenKeys.READ, bool(self._get_master_key()))
                    break

                if case(KeenKeys.WRITE):
                    if not self._get_write_key():
                        _throw_key_missing(KeenKeys.WRITE, bool(self._get_master_key()))
                    break

                if case(KeenKeys.MASTER):
                    if not self._get_master_key():
                        _throw_key_missing(KeenKeys.MASTER, False)
                    break

            return func(self, *args, **kwargs)

    @requires_key(KeenKeys.READ)
    def results(self, query_name):
        """
        Gets a single saved query with a 'result' object for a project from the
        Keen IO API given a query name.
        Read or Master key must be set.
        """

        url = "{0}/{1}/result".format(self.saved_query_url, query_name)
        response = self._get_json(HTTPMethods.GET, url, self._get_read_key())

        return response

    @requires_key(KeenKeys.READ)
    def query(self, analysis_type, params, all_keys=False):
        """
        Performs a query using the Keen IO analysis API.  A read key must be set first.

        """
        if not self._order_by_is_valid_or_none(params):
            raise ValueError("order_by given is invalid or is missing required group_by.")
        if not self._limit_is_valid_or_none(params):
            raise ValueError("limit given is invalid or is missing required order_by.")

        url = "{0}/{1}/projects/{2}/queries/{3}".format(self.base_url, self.api_version,
                                                        self.project_id, analysis_type)

        headers = utilities.headers(self.read_key)
        payload = params
        response = self.fulfill(HTTPMethods.GET, url, params=payload, headers=headers, timeout=self.get_timeout)

def method_wrapper(self, *args, **kwargs):
            for case in switch(key_type):
                if case(KeenKeys.READ):
                    if not self._get_read_key():
                        _throw_key_missing(KeenKeys.READ, bool(self._get_master_key()))
                    break

                if case(KeenKeys.WRITE):
                    if not self._get_write_key():
                        _throw_key_missing(KeenKeys.WRITE, bool(self._get_master_key()))
                    break

                if case(KeenKeys.MASTER):
                    if not self._get_master_key():
                        _throw_key_missing(KeenKeys.MASTER, False)
                    break

            return func(self, *args, **kwargs)