Uncaught TypeError: Arguments to path.resolve must be strings

[purpleP]

[Enter steps to reproduce below:]

1. ...
2. ...

Atom Version: 1.0.7
System: Ubuntu 15.04
Thrown From: autocomplete-polymer package, v0.2.4

Stack Trace

Uncaught TypeError: Arguments to path.resolve must be strings

At path.js:400

TypeError: Arguments to path.resolve must be strings
    at Object.posix.resolve (path.js:400:13)
    at new PathScanner (/home/michael/.atom/packages/autocomplete-polymer/node_modules/scandal/lib/path-scanner.js:25:28)
    at updateCompletions (/home/michael/.atom/packages/autocomplete-polymer/lib/updater.js:47:17)
    at Object.module.exports.runUpdate (/home/michael/.atom/packages/autocomplete-polymer/lib/updater.js:11:5)
    at Object.module.exports.AutocompletePolymer.update (/home/michael/.atom/packages/autocomplete-polymer/lib/main.coffee:46:22)
    at atom-workspace.subscriptions.add.atom.commands.add.autocomplete-polymer:update (/home/michael/.atom/packages/autocomplete-polymer/lib/main.coffee:27:26)
    at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (/usr/share/atom/resources/app.asar/src/command-registry.js:241:29)
    at CommandRegistry.handleCommandEvent (/usr/share/atom/resources/app.asar/src/command-registry.js:3:61)
    at CommandRegistry.module.exports.CommandRegistry.dispatch (/usr/share/atom/resources/app.asar/src/command-registry.js:156:19)
    at EventEmitter.<anonymous> (/usr/share/atom/resources/app.asar/src/window-event-handler.js:70:30)

Commands

     -0:00.3.0 autocomplete-polymer:update (ul.list-inline.tab-bar.inset-panel)

Config

{
  "core": {}
}

Installed Packages

# User
autocomplete-haskell, v0.4.5
autocomplete-polymer, v0.2.4
build, v0.44.0
haskell-ghc-mod, v0.8.9
haskell-grammar, v0.4.0
ide-haskell, v0.7.1
language-haskell, v1.3.1
linter-hlint, v0.4.2

# Dev
No dev packages