[root@localhost ~]# yum update
Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in ?
    yummain.main(sys.argv[1:])
  File "/usr/share/yum-cli/yummain.py", line 80, in main
    base.getOptionsConfig(args)
  File "/usr/share/yum-cli/cli.py", line 196, in getOptionsConfig
    self.doPluginSetup(self.optparser)
  File "__init__.py", line 157, in doPluginSetup
  File "plugins.py", line 134, in __init__
  File "plugins.py", line 176, in _importplugins
  File "plugins.py", line 191, in _loadplugin
  File "/usr/lib/yum-plugins/newyumreleasechk.py", line 44
    if po.name = 'yum';
               ^
SyntaxError: invalid syntax