Version-Release number of selected component:
gnome-tweak-tool-3.12.0-1.fc21

Additional info:
reporter:       libreport-2.2.0
cmdline:        python /usr/bin/gnome-tweak-tool
executable:     /usr/bin/gnome-tweak-tool
kernel:         3.14.0-1.fc21.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
tweak_group_shell_extensions.py:321:_got_info:KeyError: 'version'

Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/gtweak/tweaks/tweak_group_shell_extensions.py", line 321, in _got_info
    uuid,version,extension["version"]))
KeyError: 'version'

Local variables in innermost frame:
widget: <_ShellExtensionTweak object at 0x3624be0 (gtweak+tweaks+tweak_group_shell_extensions+_ShellExtensionTweak at 0x3437c70)>
shell: <gtweak.gshellwrapper.GnomeShell36 instance at 0x2c374d0>
uuid: 'audio-output-switcher@anduchs'
extension: {'description': 'Adds a switch for choosing audio output to the system menu.', 'url': 'http://github.com/anduchs/audio-output-switcher', 'hasPrefs': False, 'name': 'Audio Output Switcher', 'state': 6.0, 'error': '', 'path': '/home/vishy/.local/share/gnome-shell/extensions/audio-output-switcher@anduchs', 'type': 2.0, 'uuid': 'audio-output-switcher@anduchs'}
resp: {u'3.10': {u'pk': 3593, u'version': 3}}
version: '3.12'
ego: <ExtensionsDotGnomeDotOrg object at 0x3616910 (gtweak+egowrapper+ExtensionsDotGnomeDotOrg at 0x291ad40)>
self: <ShellExtensionTweakGroup object at 0x3616870 (gtweak+tweaks+tweak_group_shell_extensions+ShellExtensionTweakGroup at 0x3368890)>