Uncaught TypeError: Cannot read property 'toLowerCase' of undefined

[shadown]

[Enter steps to reproduce below:]

1. ...
2. ...

Atom Version: 1.2.4
System: Mac OS X 10.10.5
Thrown From: git-log package, v0.4.1

Stack Trace

Uncaught TypeError: Cannot read property 'toLowerCase' of undefined

At /Users/shadown/.atom/packages/git-log/lib/git-log-view.js:194

TypeError: Cannot read property 'toLowerCase' of undefined
    at GitLogView.get_image (/Users/shadown/.atom/packages/git-log/lib/git-log-view.js:194:56)
    at GitLogView.select_display_info (/Users/shadown/.atom/packages/git-log/lib/git-log-view.js:314:69)
    at space-pen-div.<anonymous> (/Users/shadown/.atom/packages/git-log/lib/git-log-view.js:111:18)
    at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (/Users/shadown/Applications/Development/Atom.app/Contents/Resources/app.asar/src/command-registry.js:260:29)
    at /Users/shadown/Applications/Development/Atom.app/Contents/Resources/app.asar/src/command-registry.js:3:61
    at KeymapManager.module.exports.KeymapManager.dispatchCommandEvent (/Users/shadown/Applications/Development/Atom.app/Contents/Resources/app.asar/node_modules/atom-keymap/lib/keymap-manager.js:533:16)
    at KeymapManager.module.exports.KeymapManager.handleKeyboardEvent (/Users/shadown/Applications/Development/Atom.app/Contents/Resources/app.asar/node_modules/atom-keymap/lib/keymap-manager.js:356:22)
    at WindowEventHandler.module.exports.WindowEventHandler.handleDocumentKeydown (/Users/shadown/Applications/Development/Atom.app/Contents/Resources/app.asar/src/window-event-handler.js:99:36)
    at HTMLDocument.<anonymous> (/Users/shadown/Applications/Development/Atom.app/Contents/Resources/app.asar/src/window-event-handler.js:3:61)

Commands

     -0:26 command-palette:toggle (ol.tree-view.full-menu.list-tree.has-collapsable-children.focusable-panel)
     -0:24.5.0 core:confirm (atom-text-editor.editor.mini.is-focused)
     -0:24.5.0 git-log:show (ol.tree-view.full-menu.list-tree.has-collapsable-children.focusable-panel)
 23x -0:22.8.0 core:move-down (atom-text-editor.editor.mini.is-focused)

Config

{
  "core": {}
}

Installed Packages

# User
autocomplete-python, v0.10.4
color-picker, v2.0.13
git-log, v0.4.1
minimap, v4.16.1
pigments, v0.19.0
python-tools, v0.6.7
symbol-gen, v1.0.0
symbols-tree-view, v0.10.1

# Dev
No dev packages