Failed to activate the yosemite-unity-ui package

[kkirby]

I activated the theme and got the following error:

Atom Version: 0.194.0 ⚠️ in 1.0 API Preview Mode ⚠️
System: Mac OS X 10.10.2
Thrown From: yosemite-unity-ui package, v0.3.13

Stack Trace

Failed to activate the yosemite-unity-ui package

At undefined is not a function

TypeError: undefined is not a function
  at Object.module.exports.activate (/Users/kkirbatski/.atom/packages/yosemite-unity-ui/index.coffee:8:5)
  at ThemePackage.module.exports.Package.activateNow (/Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/package.js:222:19)
  at /Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/theme-package.js:48:26
  at ThemePackage.module.exports.Package.measure (/Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/package.js:147:15)
  at ThemePackage.module.exports.ThemePackage.activate (/Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/theme-package.js:43:12)
  at PackageManager.module.exports.PackageManager.activatePackage (/Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/package-manager.js:434:21)
  at /Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/theme-manager.js:361:50
  at /Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/config.js:557:16
  at /Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/config.js:574:20
  at Emitter.module.exports.Emitter.emit (/Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/node_modules/event-kit/lib/emitter.js:82:11)
  at Config.module.exports.Config.emitChangeEvent (/Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/config.js:736:29)
  at Config.module.exports.Config.setRawValue (/Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/config.js:551:19)
  at Config.module.exports.Config.set (/Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/src/config.js:233:14)
  at ThemesPanel.module.exports.ThemesPanel.updateThemeConfig (/Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/node_modules/settings-view/lib/themes-panel.js:381:28)
  at /Users/kkirbatski/Downloads/Atom.app/Contents/Resources/app.asar/node_modules/settings-view/lib/themes-panel.js:388:24

Commands

  3x -5:24 core:confirm (atom-text-editor.editor.mini)

Config

{
  "core": {
    "themes": [
      "yosemite-unity-ui",
      "twilight-syntax"
    ]
  }
}

Installed Packages

# User
PEGjs, v0.0.0
gorilla, v0.0.0
twilight-syntax, v0.7.0
yosemite-unity-ui, v0.3.13

# Dev
No dev packages