error

[Thu May 04 2017 07:27:14 GMT+0000 (UTC)] ERROR Github webhook listener error: ReferenceError: stdout is not defined
  at Object.deploy_application (/home/hubot/hubot/scripts/aws-elasticbeanstalk.coffee:7:26, <js>:11:19)
  at EventEmitter.<anonymous> (/home/hubot/hubot/scripts/github-consumer.coffee:10:11, <js>:13:25)
  at emitOne (events.js:96:13)
  at EventEmitter.emit (events.js:191:7)
  at Robot.emit (/home/hubot/hubot/node_modules/hubot/src/robot.coffee:583:18, <js>:459:41)
  at /home/hubot/hubot/scripts/github-listener.coffee:20:7, <js>:25:15
  at callbacks (/home/hubot/hubot/node_modules/express/lib/router/index.js:164:37)
  at param (/home/hubot/hubot/node_modules/express/lib/router/index.js:138:11)
  at pass (/home/hubot/hubot/node_modules/express/lib/router/index.js:145:5)
  at Router._dispatch (/home/hubot/hubot/node_modules/express/lib/router/index.js:173:5)
  at Object.router (/home/hubot/hubot/node_modules/express/lib/router/index.js:33:10)
  at next (/home/hubot/hubot/node_modules/connect/lib/proto.js:174:15)
  at Object.multipart [as handle] (/home/hubot/hubot/node_modules/connect-multiparty/index.js:42:27)
  at next (/home/hubot/hubot/node_modules/connect/lib/proto.js:174:15)
  at Object.urlencodedParser [as handle] (/home/hubot/hubot/node_modules/body-parser/lib/types/urlencoded.js:81:44)
  at next (/home/hubot/hubot/node_modules/connect/lib/proto.js:174:15)
  at /home/hubot/hubot/node_modules/body-parser/lib/read.js:121:5
  at invokeCallback (/home/hubot/hubot/node_modules/raw-body/index.js:262:16)
  at done (/home/hubot/hubot/node_modules/raw-body/index.js:251:7)
  at IncomingMessage.onEnd (/home/hubot/hubot/node_modules/raw-body/index.js:307:7)
  at emitNone (events.js:86:13)
  at IncomingMessage.emit (events.js:188:7)
  at endReadableNT (_stream_readable.js:975:12)
  at _combinedTickCallback (internal/process/next_tick.js:80:11)
  at process._tickCallback (internal/process/next_tick.js:104:9)
. Request: [object Object]