[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.40.1 x64
Electron: 3.1.10
OS: Mac OS X 10.14.4
Thrown From: gitkraken package 0.4.3

Stack Trace

Uncaught Callback must be a function

At fs.js:157

TypeError [ERR_INVALID_CALLBACK]: Callback must be a function
    at maybeCallback (fs.js:157:9)
    at fs.writeFile (fs.js:1290:14)
    at Object.open (/packages/gitkraken/index.coffee:69:9)
    at /packages/gitkraken/index.coffee:50:32)
    at CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:349123)
    at CommandRegistry.dispatch (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:347598)
    at AtomEnvironment.dispatchApplicationMenuCommand (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:1:718718)
    at EventEmitter.t (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:1:726641)
    at EventEmitter.emit (events.js:182:13)

Commands

     -4:04.1.0 gitkraken:release (div.tool-panel.tree-view)
     -3:32.4.0 platformio-ide-terminal:new (div.tool-panel.tree-view)
     -2:27.2.0 gitkraken:release (textarea.)

Non-Core Packages

cucumber 0.7.0 
gitkraken 0.4.3 
nightwatchjs-snippets 0.3.0 
platformio-ide-terminal 2.9.4 
project-plus 1.0.0 
teletype 0.13.4