Returns the node's RPC version

        :raises: :py:exc:`nano.rpc.RPCException`

        >>> rpc.version()
        {
            "rpc_version": 1,
            "store_version": 10,
            "node_vendor": "RaiBlocks 9.0"
        }

def version(self):
        """
        Returns the node's RPC version

        :raises: :py:exc:`nano.rpc.RPCException`

        >>> rpc.version()
        {
            "rpc_version": 1,
            "store_version": 10,
            "node_vendor": "RaiBlocks 9.0"
        }

        """

        resp = self.call('version')

        for key in ('rpc_version', 'store_version'):
            resp[key] = int(resp[key])

        return resp