Returns an object with a lists of the session IDs
        for all sessions currently attached to the realm

        http://crossbar.io/docs/Session-Metaevents-and-Procedures/

async def show_sessions(self):
        """
        Returns an object with a lists of the session IDs
        for all sessions currently attached to the realm

        http://crossbar.io/docs/Session-Metaevents-and-Procedures/
        """
        res = await self.call("wamp.session.list")
        for session_id in res:
            session = await self.call("wamp.session.get", session_id)
            self.log.info(session)