todo-list stack-trace

TypeError: Cannot read property 'prototype' of undefined
  at __extends (/Users/jdtaylor/.atom/packages/todo-list/lib/todo-list-view.coffee:1:1)
  at /Users/jdtaylor/.atom/packages/todo-list/lib/todo-list-view.coffee:5:3
  at Object.<anonymous> (/Users/jdtaylor/.atom/packages/todo-list/lib/todo-list-view.coffee:267:5)
  at Object.<anonymous> (/Users/jdtaylor/.atom/packages/todo-list/lib/todo-list-view.coffee:1:1)
  at Module._compile (module.js:452:26)
  at Object.require.extensions.(anonymous function) [as .coffee] (/Applications/Atom.app/Contents/Resources/app.asar/src/compile-cache.js:166:19)
  at Module.load (module.js:347:32)
  at Function.Module._load (module.js:302:12)
  at Module.require (module.js:357:17)
  at require (module.js:376:17)
  at Object.<anonymous> (/Users/jdtaylor/.atom/packages/todo-list/lib/todo-list.coffee:1:16)
  at Object.<anonymous> (/Users/jdtaylor/.atom/packages/todo-list/lib/todo-list.coffee:1:1)
  at Module._compile (module.js:452:26)
  at Object.require.extensions.(anonymous function) [as .coffee] (/Applications/Atom.app/Contents/Resources/app.asar/src/compile-cache.js:166:19)
  at Module.load (module.js:347:32)
  at Function.Module._load (module.js:302:12)
  at Module.require (module.js:357:17)
  at require (module.js:376:17)
  at Package.module.exports.Package.requireMainModule (/Applications/Atom.app/Contents/Resources/app.asar/src/package.js:759:34)
  at Package.module.exports.Package.activateConfig (/Applications/Atom.app/Contents/Resources/app.asar/src/package.js:261:14)
  at Package.module.exports.Package.activateNow (/Applications/Atom.app/Contents/Resources/app.asar/src/package.js:239:14)
  at /Applications/Atom.app/Contents/Resources/app.asar/src/package.js:836:25
  at Emitter.module.exports.Emitter.emit (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/event-kit/lib/emitter.js:82:11)
  at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app.asar/src/command-registry.js:226:20)
  at CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app.asar/src/command-registry.js:3:61)
  at CommandRegistry.module.exports.CommandRegistry.dispatch (/Applications/Atom.app/Contents/Resources/app.asar/src/command-registry.js:156:19)
  at EventEmitter.<anonymous> (/Applications/Atom.app/Contents/Resources/app.asar/src/window-event-handler.js:70:30)
  at emitOne (events.js:77:13)
  at EventEmitter.emit (events.js:166:7)