Uncaught Error: spawn E2BIG

[Enter steps to reproduce below:]
1. create a very large (30k key/val pairs) dictionary of words (python)
2. use dict to look up words in a sentence
3. hit cmd-i to run script from atom

The script runs fine from the terminal.

**Atom Version**: 0.187.0
**System**: Mac OS X 10.10.2
**Thrown From**: [script](https://github.com/rgbkrk/atom-script) package, v2.18.0
### Stack Trace

Uncaught Error: spawn E2BIG

```
At child_process.js:1160

Error: spawn E2BIG
at exports._errnoException (util.js:753:11)
at ChildProcess.spawn (child_process.js:1160:11)
at Object.exports.spawn (child_process.js:993:9)
at new BufferedProcess (/Applications/Atom.app/Contents/Resources/app/src/buffered-process.js:51:37)
at ScriptView.module.exports.ScriptView.run (/Users/eirikstavelin/.atom/packages/script/lib/script-view.coffee:334:30)
at ScriptView.module.exports.ScriptView.start (/Users/eirikstavelin/.atom/packages/script/lib/script-view.coffee:171:21)
at ScriptView.module.exports.ScriptView.defaultRun (/Users/eirikstavelin/.atom/packages/script/lib/script-view.coffee:136:21)
at atom-workspace. (/Users/eirikstavelin/.atom/packages/script/lib/script-view.coffee:59:24)
at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app/src/command-registry.js:246:29)
at /Applications/Atom.app/Contents/Resources/app/src/command-registry.js:3:61
```
### Commands

```
-3:04.5 core:move-up (atom-text-editor.editor.is-focused)
-3:03.2 editor:newline (atom-text-editor.editor.is-focused)
-3:01.8 core:paste (atom-text-editor.editor.is-focused)
-3:01.3 core:save (atom-text-editor.editor.is-focused)
2x -2:19.8 core:backspace (atom-text-editor.editor.is-focused)
-1:06.7 editor:newline (atom-text-editor.editor.is-focused)
-1:02.1 core:paste (atom-text-editor.editor.is-focused)
-0:59.7 core:save (atom-text-editor.editor.is-focused)
2x -0:29.9 core:select-up (atom-text-editor.editor.is-focused)
-0:11.5 core:paste (atom-text-editor.editor.is-focused)
-0:08.9 core:move-up (atom-text-editor.editor.is-focused)
13x -0:08.6 core:move-right (atom-text-editor.editor.is-focused)
-0:06.4 core:move-left (atom-text-editor.editor.is-focused)
-0:03.6 core:save (atom-text-editor.editor.is-focused)
-0:01.3 core:select-all (atom-text-editor.editor.is-focused)
-0:00.5 script:run (atom-text-editor.editor.is-focused)
```
### Config

``` json
{
"core": {
"themes": [
"atom-light-ui",
"one-dark-syntax"
]
}
}
```
### Installed Packages

``` coffee
# User
color-picker, v1.4.4
script, v2.18.0

# Dev
No dev packages
```