Actively close this WAMP session.

        Replace :meth:`autobahn.wamp.interface.IApplicationSession.leave`

def leave(self, reason=None, message=None):
        """Actively close this WAMP session.

        Replace :meth:`autobahn.wamp.interface.IApplicationSession.leave`
        """
        # see https://github.com/crossbario/autobahn-python/issues/605
        return self._async_session.leave(reason=reason, log_message=message)