consumerCount on disabled connection about amqp-coffee HOT 5 CLOSED

connected to rabbit@Andreys-Air v3.5.0
queue "named-queue-test" created
message received: #1
try to get consumers count for queue...
consumers count: 1
message received: #2
try to get consumers count for queue...
consumers count: 1
message received: #3
try to get consumers count for queue...
consumers count: 1
message received: #4
connection is closed: 3634ms
try to get consumers count for queue...
try to get consumers count for queue...
try to get consumers count for queue...
try to get consumers count for queue...
connected to rabbit@Andreys-Air v3.5.0
message received: #5
try to get consumers count for queue...
message received: #6
try to get consumers count for queue...
message received: #7
try to get consumers count for queue...
message received: #8
try to get consumers count for queue...
message received: #9

/Users/drago/Documents/amqp-coffee/bin/src/lib/Queue.js:133
        return cb(err, res.consumerCount);
                          ^
TypeError: Cannot read property 'consumerCount' of undefined
    at /Users/drago/Documents/amqp-coffee/bin/src/lib/Queue.js:133:27
    at /Users/drago/Documents/amqp-coffee/bin/src/lib/Queue.js:69:43
    at doneFn (/Users/drago/Documents/amqp-coffee/bin/src/lib/Channel.js:241:11)
    at TemporaryChannel.Channel._onChannelMethod (/Users/drago/Documents/amqp-coffee/bin/src/lib/Channel.js:336:71)
    at Connection._onMethod (/Users/drago/Documents/amqp-coffee/bin/src/lib/Connection.js:601:39)
    at AMQPParser.<anonymous> (/Users/drago/Documents/amqp-coffee/bin/src/lib/Connection.js:4:61)
    at AMQPParser.emit (events.js:118:17)
    at AMQPParser.parseMethodFrame (/Users/drago/Documents/amqp-coffee/bin/src/lib/AMQPParser.js:110:19)
    at AMQPParser.frameEnd (/Users/drago/Documents/amqp-coffee/bin/src/lib/AMQPParser.js:80:16)
    at AMQPParser.frame (/Users/drago/Documents/amqp-coffee/bin/src/lib/AMQPParser.js:63:21)