Uncaught TypeError: Cannot read property 'tokens' of undefined

[abe33]

Issue described in the comments of #209 with the proper stack trace:

TypeError: Cannot read property 'tokens' of undefined
  at atom-text-editor-minimap.module.exports.CanvasDrawer.drawLines (/Users/cedric/.atom/packages/minimap/lib/mixins/canvas-drawer.coffee:175:7)
  at atom-text-editor-minimap.module.exports.CanvasDrawer.fillGapsBetweenIntactRanges (/Users/cedric/.atom/packages/minimap/lib/mixins/canvas-drawer.coffee:416:8)
  at atom-text-editor-minimap.module.exports.CanvasDrawer.updateCanvas (/Users/cedric/.atom/packages/minimap/lib/mixins/canvas-drawer.coffee:38:8)
  at atom-text-editor-minimap.MinimapElement.update (/Users/cedric/.atom/packages/minimap/lib/minimap-element.coffee:364:6)
  at /Users/cedric/.atom/packages/minimap/lib/minimap-element.coffee:312:8