Memory Leak Detected

[yohanes-ai]

Found some issue after running this project

(node) warning: possible EventEmitter memory leak detected. 11 drain listeners added. Use emitter.setMaxListeners() to increase limit.
Trace
    at WriteStream.addListener (events.js:239:17)
    at IncomingMessage.<anonymous> (D:\tmp\canny-edge-detection-master\canny-edge-detection-master\js\server.js:130:12)
    at emitOne (events.js:77:13)
    at IncomingMessage.emit (events.js:169:7)
    at IncomingMessage.Readable.read (_stream_readable.js:360:10)
    at flow (_stream_readable.js:733:26)
    at resume_ (_stream_readable.js:713:3)
    at doNTCallback2 (node.js:429:9)
    at process._tickCallback (node.js:343:17)
Boundary:  ---------------------------26289275811299
Headers:  { name: '"image-upload"',
  filename: '"Untitled.png"',
  'content-type': 'filename' }