Error in logout

[newtonke]

Select conversation :

/logout
readline.js:1141
throw err;
^

TypeError [ERR_INVALID_CALLBACK]: Callback must be a function. Received undefined
at makeCallback (fs.js:151:11)
at Object.unlink (fs.js:1057:14)
at Crypt.flush (/usr/local/lib/node_modules/fb-messenger-cli/lib/crypt.js:64:12)
at InteractiveCli.exit (/usr/local/lib/node_modules/fb-messenger-cli/lib/interactive.js:555:15)
at InteractiveCli.handleCommands (/usr/local/lib/node_modules/fb-messenger-cli/lib/interactive.js:406:25)
at Interface.InteractiveCli.handler (/usr/local/lib/node_modules/fb-messenger-cli/lib/interactive.js:466:21)
at Interface.emit (events.js:321:20)
at Interface._onLine (readline.js:327:10)
at Interface._line (readline.js:656:8)
at Interface._ttyWrite (readline.js:997:14) {
code: 'ERR_INVALID_CALLBACK'
}

[flokirr]

Happens on OSX as well.

[AlanSyue]

@newtonke @RRaadi @Alex-Rose
There is some problems because

latest version of NPM‘s code is different from GitHub’s code

There is no callback function in

fs.unlink(path.resolve(__dirname, '../', this.filename)