Sugar Flipsticks activity crashes on start

[Edward Cherlin]

Binary package hint: sugar-flipsticks-activity

Natty Narwhal 11.04
sugar-flipsticks-activity 1-0ubuntu2

Click icon. Message:

FlipSticks failed to start.

~/.sugar/default/logs/org.worldwideworkshop.olpc.FlipSticks-1.log

1306439592.703039 WARNING root: .has_key() is deprecated, use 'in'
Traceback (most recent call last):
  File "/usr/bin/sugar-activity", line 21, in <module>
    main.main()
  File "/usr/lib/python2.7/dist-packages/sugar/activity/main.py", line 152, in main
    create_activity_instance(activity_constructor, activity_handle)
  File "/usr/lib/python2.7/dist-packages/sugar/activity/main.py", line 37, in create_activity_instance
    activity = constructor(handle)
  File "/home/eddie/Activities/FlipSticks.activity/activity.py", line 41, in __init__
    self.montage = montage.View(self)
  File "/home/eddie/Activities/FlipSticks.activity/montage.py", line 599, in __init__
    self.key = screen.ScreenFrame()
AttributeError: 'module' object has no attribute 'ScreenFrame'
Exited with status 1, pid 4984 data (None, <open file '<fdopen>', mode 'w' at 0xa2b4338>, dbus.ByteArray('fa28a95c5a8e2dbb0f232205369185443e0a9087', variant_level=1))

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: sugar-flipsticks-activity 1-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Thu May 26 15:42:12 2011
Dependencies:

InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=es_MX:en_US:en
 PATH=(custom, user)
 LANG=es_ES.utf8
 LC_MESSAGES=es_MX.UTF-8
 SHELL=/bin/bash
SourcePackage: sugar-flipsticks-activity
UpgradeStatus: Upgraded to natty on 2011-05-01 (25 days ago)