def METHOD_NAME(self, ev):
    # This is not the message we're looking for
    if ev.msg.xid != self._msg_xid:
        return
    for resp in ev.msg.body:
        if resp.table_id not in self._table_flows:
            self._table_flows[resp.table_id] = []
        self._table_flows[resp.table_id].append(resp)
    # There will be more stats, we have to wait
    if ev.msg.flags == OFPMPF_REPLY_MORE:
        return
    self._flows_received = True