Re: yum error[ImportError: cannot import name _]

c y wrote:
> [root@shenyang tmp]# yum
> Traceback (most recent call last):
>   File "/usr/bin/yum", line 28, in ?
>     import yummain
>   File "/usr/share/yum-cli/yummain.py", line 30, in ?
>     from yum import _
> ImportError: cannot import name _
> 
> [root@shenyang yum]# rpm -q yum
> yum-3.2.8-9.el5.centos.2.1

Since rpm seems OK, you can attempt to verify yum and it's dependencies:
$ rpm -V yum rpm python python-iniparse python-urlgrabber rpm-python 
pygpgme yum-metadata-parser

[found those dependencies (fedora 9} with: yum deplist yum {which you 
can't use at the moment}]

DaveT.