Uncaught TypeError: Cannot read property 'getStyleElements' of undefined

[Enter steps to reproduce below:]
1. ...
2. ...

**Atom Version**: 1.4.1
**System**: Mac OS X 10.11.2
**Thrown From**: [api-blueprint-preview](https://github.com/danielgtaylor/atom-api-blueprint-preview) package, v0.7.0
### Stack Trace

Uncaught TypeError: Cannot read property 'getStyleElements' of undefined

```
At /Applications/Atom.app/Contents/Resources/app.asar/src/styles-element.js:81

TypeError: Cannot read property 'getStyleElements' of undefined
at atom-styles.StylesElement.contextChanged (/Applications/Atom.app/Contents/Resources/app.asar/src/styles-element.js:81:32)
at atom-styles.StylesElement.attributeChangedCallback (/Applications/Atom.app/Contents/Resources/app.asar/src/styles-element.js:56:21)
at ApiBlueprintPreviewView.module.exports.ApiBlueprintPreviewView.getTextEditorStyles (/Users/lookuphq/.atom/packages/api-blueprint-preview/lib/api-blueprint-preview-view.coffee:194:22)
at ApiBlueprintPreviewView.module.exports.ApiBlueprintPreviewView.getApiBlueprintPreviewCSS (/Users/lookuphq/.atom/packages/api-blueprint-preview/lib/api-blueprint-preview-view.coffee:216:16)
at /Users/lookuphq/.atom/packages/api-blueprint-preview/lib/api-blueprint-preview-view.coffee:280:42
at /Users/lookuphq/.atom/packages/api-blueprint-preview/lib/renderer.coffee:39:5
at ChildProcess.exithandler (child_process.js:206:7)
at emitTwo (events.js:87:13)
at ChildProcess.emit (events.js:172:7)
at maybeClose (internal/child_process.js:817:16)
at Socket. (internal/child_process.js:319:11)
at emitOne (events.js:77:13)
at Socket.emit (events.js:169:7)
at Pipe._onclose (net.js:469:12)
```
### Commands

```
2x -0:50.7.0 core:save-as (button.btn.btn-primary.btn-xs)
```
### Config

``` json
{}
```
### Installed Packages

``` coffee
# User
api-blueprint-preview, v0.7.0

# Dev
No dev packages
```