Description of problem:
1. yum update with new cinnamon package
2. log out
3. log in

Version-Release number of selected component:
cinnamon-2.6.6-1.fc21

Additional info:
reporter:       libreport-2.3.0
cmdline:        /usr/bin/python2 /usr/bin/cinnamon-killer-daemon
dso_list:       pygobject3-base-3.14.0-1.fc21.x86_64
executable:     /usr/bin/cinnamon-killer-daemon
kernel:         4.0.4-202.fc21.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
__init__.py:100:require_version:ValueError: Namespace Keybinder not available

Traceback (most recent call last):
  File "/usr/bin/cinnamon-killer-daemon", line 5, in <module>
    gi.require_version('Keybinder', '3.0')
  File "/usr/lib64/python2.7/site-packages/gi/__init__.py", line 100, in require_version
    raise ValueError('Namespace %s not available' % namespace)
ValueError: Namespace Keybinder not available

Local variables in innermost frame:
available_versions: []
version: '3.0'
namespace: 'Keybinder'
repository: <gi.Repository object at 0x7fd04fd1f1e0>