<p dir="auto">[Enter steps to reproduce below:]</p>
<ol dir="auto">
<li>...</li>
<li>...</li>
</ol>
<p dir="auto"><strong>Atom Version</strong>: 0.187.0<br>
<strong>System</strong>: Mac OS X 10.9.5<br>
<strong>Thrown From</strong>: Atom Core</p>
<h3 dir="auto">Stack Trace</h3>
<p dir="auto">Failed to activate the atom-lint package</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="At Cannot read property 'previous' of undefined

TypeError: Cannot read property 'previous' of undefined
    at /Users/hi0711/.atom/packages/atom-lint/lib/atom-lint.coffee:60:59
    at Config.module.exports.Config.observeKeyPath (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/config.js:621:7)
    at Config.module.exports.Config.observe (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/config.js:133:21)
    at Function.module.exports.Config.observe (/Users/hi0711/.atom/packages/atom-lint/lib/config.coffee:38:26)
    at Object.module.exports.enable (/Users/hi0711/.atom/packages/atom-lint/lib/atom-lint.coffee:57:47)
    at Object.module.exports.activate (/Users/hi0711/.atom/packages/atom-lint/lib/atom-lint.coffee:29:19)
    at Package.module.exports.Package.activateNow (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/package.js:240:19)
    at /opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/package.js:221:30
    at Package.module.exports.Package.measure (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/package.js:167:15)
    at Package.module.exports.Package.activate (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/package.js:214:14)"><pre class="notranslate"><code class="notranslate">At Cannot read property 'previous' of undefined

TypeError: Cannot read property 'previous' of undefined
    at /Users/hi0711/.atom/packages/atom-lint/lib/atom-lint.coffee:60:59
    at Config.module.exports.Config.observeKeyPath (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/config.js:621:7)
    at Config.module.exports.Config.observe (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/config.js:133:21)
    at Function.module.exports.Config.observe (/Users/hi0711/.atom/packages/atom-lint/lib/config.coffee:38:26)
    at Object.module.exports.enable (/Users/hi0711/.atom/packages/atom-lint/lib/atom-lint.coffee:57:47)
    at Object.module.exports.activate (/Users/hi0711/.atom/packages/atom-lint/lib/atom-lint.coffee:29:19)
    at Package.module.exports.Package.activateNow (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/package.js:240:19)
    at /opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/package.js:221:30
    at Package.module.exports.Package.measure (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/package.js:167:15)
    at Package.module.exports.Package.activate (/opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resources/app/src/package.js:214:14)
</code></pre></div>
<h3 dir="auto">Commands</h3>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content=""><pre class="notranslate"><code class="notranslate"></code></pre></div>
<h3 dir="auto">Config</h3>
<div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{
  &quot;core&quot;: {},
  &quot;editor&quot;: {
    &quot;showInvisibles&quot;: true,
    &quot;showIndentGuide&quot;: true,
    &quot;softWrap&quot;: true,
    &quot;invisibles&quot;: {}
  }
}"><pre class="notranslate">{
  <span class="pl-ent">"core"</span>: {},
  <span class="pl-ent">"editor"</span>: {
    <span class="pl-ent">"showInvisibles"</span>: <span class="pl-c1">true</span>,
    <span class="pl-ent">"showIndentGuide"</span>: <span class="pl-c1">true</span>,
    <span class="pl-ent">"softWrap"</span>: <span class="pl-c1">true</span>,
    <span class="pl-ent">"invisibles"</span>: {}
  }
}</pre></div>
<h3 dir="auto">Installed Packages</h3>
<div class="highlight highlight-source-coffee notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="# User
atom-color-highlight, v2.0.14
atom-lint, v0.20.0
autocomplete-paths, v0.9.0
autocomplete-plus, v0.22.14
autocomplete-snippets, v0.3.1
emmet, v2.3.2
file-icons, v1.4.3
japanese-wrap, v0.2.3
tag, v0.2.3

# Dev
No dev packages"><pre class="notranslate"><span class="pl-c"><span class="pl-c">#</span> User</span>
atom<span class="pl-k">-</span>color<span class="pl-k">-</span>highlight, v2.<span class="pl-ii">0</span>.<span class="pl-ii">14</span>
atom<span class="pl-k">-</span>lint, v0.<span class="pl-ii">20</span>.<span class="pl-ii">0</span>
autocomplete<span class="pl-k">-</span>paths, v0.<span class="pl-ii">9</span>.<span class="pl-ii">0</span>
autocomplete<span class="pl-k">-</span>plus, v0.<span class="pl-ii">22</span>.<span class="pl-ii">14</span>
autocomplete<span class="pl-k">-</span>snippets, v0.<span class="pl-ii">3</span>.<span class="pl-ii">1</span>
emmet, v2.<span class="pl-ii">3</span>.<span class="pl-ii">2</span>
file<span class="pl-k">-</span>icons, v1.<span class="pl-ii">4</span>.<span class="pl-ii">3</span>
japanese<span class="pl-k">-</span>wrap, v0.<span class="pl-ii">2</span>.<span class="pl-ii">3</span>
tag, v0.<span class="pl-ii">2</span>.<span class="pl-ii">3</span>

<span class="pl-c"><span class="pl-c">#</span> Dev</span>
<span class="pl-en">No</span> <span class="pl-en">dev</span> packages</pre></div>
<p dir="auto">[Enter steps to reproduce below:]</p>
<ol dir="auto">
<li>...</li>
<li>...</li>
</ol>
<p dir="auto"><strong>Atom Version</strong>: 0.187.0<br>
<strong>System</strong>: Mac OS X 10.9.5<br>
<strong>Thrown From</strong>: <a href="https://github.com/yujinakayama/atom-lint">atom-lint</a> package, v0.20.1</p>
<h3 dir="auto">Stack Trace</h3>
<p dir="auto">Failed to activate the atom-lint package</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="At Cannot read property 'previous' of undefined

TypeError: Cannot read property 'previous' of undefined
  at /Users/DanielH/.atom/packages/atom-lint/lib/atom-lint.coffee:37:59
  at Config.module.exports.Config.observeKeyPath (/Applications/Atom.app/Contents/Resources/app/src/config.js:621:7)
  at Config.module.exports.Config.observe (/Applications/Atom.app/Contents/Resources/app/src/config.js:133:21)
  at Function.module.exports.Config.observe (/Users/DanielH/.atom/packages/atom-lint/lib/config.coffee:25:17)
  at Object.module.exports.enable (/Users/DanielH/.atom/packages/atom-lint/lib/atom-lint.coffee:36:34)
  at Object.module.exports.activate (/Users/DanielH/.atom/packages/atom-lint/lib/atom-lint.coffee:17:6)
  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)
  at PackageManager.module.exports.PackageManager.activatePackage (/Applications/Atom.app/Contents/Resources/app/src/package-manager.js:465:21)
  at /Applications/Atom.app/Contents/Resources/app/node_modules/settings-view/lib/package-manager.js:226:29
  at exit (/Applications/Atom.app/Contents/Resources/app/node_modules/settings-view/lib/package-manager.js:43:16)
  at BufferedProcess.triggerExitCallback (/Applications/Atom.app/Contents/Resources/app/src/buffered-process.js:63:47)
  at /Applications/Atom.app/Contents/Resources/app/src/buffered-process.js:77:18
  at Socket.&lt;anonymous&gt; (/Applications/Atom.app/Contents/Resources/app/src/buffered-process.js:150:18)
  at Socket.emit (events.js:138:20)
  at Pipe.close (net.js:477:12)
"><pre class="notranslate"><code class="notranslate">At Cannot read property 'previous' of undefined

TypeError: Cannot read property 'previous' of undefined
  at /Users/DanielH/.atom/packages/atom-lint/lib/atom-lint.coffee:37:59
  at Config.module.exports.Config.observeKeyPath (/Applications/Atom.app/Contents/Resources/app/src/config.js:621:7)
  at Config.module.exports.Config.observe (/Applications/Atom.app/Contents/Resources/app/src/config.js:133:21)
  at Function.module.exports.Config.observe (/Users/DanielH/.atom/packages/atom-lint/lib/config.coffee:25:17)
  at Object.module.exports.enable (/Users/DanielH/.atom/packages/atom-lint/lib/atom-lint.coffee:36:34)
  at Object.module.exports.activate (/Users/DanielH/.atom/packages/atom-lint/lib/atom-lint.coffee:17:6)
  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)
  at PackageManager.module.exports.PackageManager.activatePackage (/Applications/Atom.app/Contents/Resources/app/src/package-manager.js:465:21)
  at /Applications/Atom.app/Contents/Resources/app/node_modules/settings-view/lib/package-manager.js:226:29
  at exit (/Applications/Atom.app/Contents/Resources/app/node_modules/settings-view/lib/package-manager.js:43:16)
  at BufferedProcess.triggerExitCallback (/Applications/Atom.app/Contents/Resources/app/src/buffered-process.js:63:47)
  at /Applications/Atom.app/Contents/Resources/app/src/buffered-process.js:77:18
  at Socket.&lt;anonymous&gt; (/Applications/Atom.app/Contents/Resources/app/src/buffered-process.js:150:18)
  at Socket.emit (events.js:138:20)
  at Pipe.close (net.js:477:12)

</code></pre></div>
<h3 dir="auto">Commands</h3>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="     -0:22.0 settings-view:check-for-package-updates (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-atom-dark-syntax.theme-atom-dark-ui)"><pre class="notranslate"><code class="notranslate">     -0:22.0 settings-view:check-for-package-updates (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-atom-dark-syntax.theme-atom-dark-ui)
</code></pre></div>
<h3 dir="auto">Config</h3>
<div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{
  &quot;core&quot;: {
    &quot;disabledPackages&quot;: [
      &quot;jshint&quot;,
      &quot;jslint&quot;
    ]
  }
}"><pre class="notranslate">{
  <span class="pl-ent">"core"</span>: {
    <span class="pl-ent">"disabledPackages"</span>: [
      <span class="pl-s"><span class="pl-pds">"</span>jshint<span class="pl-pds">"</span></span>,
      <span class="pl-s"><span class="pl-pds">"</span>jslint<span class="pl-pds">"</span></span>
    ]
  }
}</pre></div>
<h3 dir="auto">Installed Packages</h3>
<div class="highlight highlight-source-coffee notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="# User
atom-handlebars, v0.3.38
atom-jshint, v1.4.3
atom-lint, v0.20.1
linter-rubocop, v0.2.2

# Dev
No dev packages"><pre class="notranslate"><span class="pl-c"><span class="pl-c">#</span> User</span>
atom<span class="pl-k">-</span>handlebars, v0.<span class="pl-ii">3</span>.<span class="pl-ii">38</span>
atom<span class="pl-k">-</span>jshint, v1.<span class="pl-ii">4</span>.<span class="pl-ii">3</span>
atom<span class="pl-k">-</span>lint, v0.<span class="pl-ii">20</span>.<span class="pl-ii">1</span>
linter<span class="pl-k">-</span>rubocop, v0.<span class="pl-ii">2</span>.<span class="pl-ii">2</span>

<span class="pl-c"><span class="pl-c">#</span> Dev</span>
<span class="pl-en">No</span> <span class="pl-en">dev</span> packages</pre></div>