cancel task when connection_lost
cancel task when connection_lost

lixxu/sanic,channelcat/sanic,yunstanford/sanic,yunstanford/sanic,ashleysommer/sanic,ashleysommer/sanic,channelcat/sanic,ashleysommer/sanic,lixxu/sanic,lixxu/sanic,yunstanford/sanic,lixxu/sanic,channelcat/sanic,channelcat/sanic,yunstanford/sanic