Uncaught TypeError: Cannot read property 'stopPropagation' of undefined

[disc]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.15.0 x64
Electron: 1.3.13
OS: Mac OS X 10.12.3
Thrown From: git-blame package 0.4.12

Stack Trace

Uncaught TypeError: Cannot read property 'stopPropagation' of undefined

At /Users/disc/.atom/packages/git-blame/lib/views/blame-list-view.coffee:188

TypeError: Cannot read property 'stopPropagation' of undefined
    at Constructor.resizeStopped (/packages/git-blame/lib/views/blame-list-view.coffee:188:6)
    at /packages/git-blame/node_modules/react-atom-fork/lib/ReactCompositeComponent.js:1295:21)
    at Constructor.onResizeMouseMove (/packages/git-blame/lib/views/blame-list-view.coffee:192:13)
    at HTMLDocument.boundMethod (/packages/git-blame/node_modules/react-atom-fork/lib/ReactCompositeComponent.js:1295:21)
    at HTMLDocument.dispatch (/packages/git-blame/node_modules/jquery/dist/jquery.js:4435:9)
    at HTMLDocument.elemData.handle (/packages/git-blame/node_modules/jquery/dist/jquery.js:4121:28)

Commands

     -0:51.8.0 project-find:show (input.hidden-input)
     -0:46 core:confirm (input.hidden-input)
     -0:38 editor:consolidate-selections (input.hidden-input)
     -0:38 core:cancel (input.hidden-input)
     -0:37.8.0 editor:consolidate-selections (input.hidden-input)
     -0:37.8.0 core:cancel (input.hidden-input)
  2x -0:18.8.0 git-blame:toggle (div.line-number)

Non-Core Packages

git-blame 0.4.12 
git-time-machine 1.5.6 
hyperclick 0.0.40 
intentions 1.1.2 
merge-conflicts 1.4.4 
php-cs-fixer 4.1.0 
php-debug 0.2.4 
php-integrator-annotations 1.1.1 
php-integrator-autocomplete-plus 1.3.0 
php-integrator-base 2.1.11 
php-integrator-call-tips 1.2.1 
php-integrator-linter 1.3.0 
php-integrator-navigation 1.1.2 
php-integrator-refactoring 1.3.1 
php-integrator-symbol-viewer 0.6.4 
php-integrator-tooltips 1.1.5 
react 0.16.2 

[alexcorre]

closing. this file was removed in #171