def get_cluster(self):
        """Get the cluster defined in this host's cluster config file.

        :returns: The name of the cluster defined in the paasta configuration
        """
        try:
            return self['cluster']
        except KeyError:
            raise PaastaNotConfiguredError(self.directory % 'Could not find cluster in configuration directory: %s')
dataset/ETHPy150Open Yelp/paasta/paasta_tools/utils.py/SystemPaastaConfig.get_cluster/swapped operands of `%`