gpk-update-viewer broke Yum and Yumex after updates

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http://forums.fedoraforum.org – I ran gpk-update-viewer to do some updates that were available. About halfway through, after installing but while cleaning, gpk-update-viewer crashed, vanished, and left me unable to use Yumex. This is what I get when I try to run it: Code: 19:12:13 : network interface em1 (r8169) is connected 19:12:14 : Connected to an network 19:12:14 : Starting yum child process 19:12:14 : Initialize yum backend - BEGIN  <yum_backend.setup> 19:12:14 : Setup START  <yum_backend.setup> 19:12:18 : Command to run : /usr/share/yumex/yum_childtask.py 2 True False /etc/yum.conf (HowTos)