minimap: Failed to activate the minimap package

[Enter steps to reproduce below:]

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Atom Version: 0.187.0 System: Mac OS X 10.10.2 Thrown From: minimap package, v4.6.0

Stack Trace

Failed to activate the minimap package

At object is not a function

TypeError: object is not a function
    at Main.minimapForEditor (/Users/gosc/.atom/packages/minimap/lib/main.coffee:228:19)
    at /Users/gosc/.atom/packages/minimap/lib/main.coffee:274:27
    at Workspace.module.exports.Workspace.observeTextEditors (/Applications/Atom.app/Contents/Resources/app/src/workspace.js:284:9)
    at Main.initSubscriptions (/Users/gosc/.atom/packages/minimap/lib/main.coffee:271:52)
    at Main.toggle (/Users/gosc/.atom/packages/minimap/lib/main.coffee:167:21)
    at Main.activate (/Users/gosc/.atom/packages/minimap/lib/main.coffee:121:21)
    at Package.module.exports.Package.activateNow (/Applications/Atom.app/Contents/Resources/app/src/package.js:240:19)
    at /Applications/Atom.app/Contents/Resources/app/src/package.js:221:30
    at Package.module.exports.Package.measure (/Applications/Atom.app/Contents/Resources/app/src/package.js:167:15)
    at Package.module.exports.Package.activate (/Applications/Atom.app/Contents/Resources/app/src/package.js:214:14)

Commands

     -0:28.0 settings-view:check-for-package-updates (atom-workspace.workspace.scrollbars-visible-always.theme-monokai.theme-atom-light-ui)

Config

{
  "core": {
    "themes": [
      "atom-light-ui",
      "monokai"
    ]
  }
}

Installed Packages

# User
color-picker, v1.4.4
file-icons, v1.5.1
linter, v0.12.0
minimap, v4.6.0
monokai, v0.12.0
set-syntax, v0.2.1

# Dev
No dev packages