yum 依赖python 报错问题?报错

系统是redhat5.6 我卸载了yum 安装了centos的yum-3.2.22-39.el5.centos.noarch.rpm

执行

[root@localhost software]# yum makecache

There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:


   /usr/lib/python2.4/site-packages/_sqlitecache.so: wrong ELF class: ELFCLASS32


Please install a package which provides this module, or
verify that the module is installed correctly.


It's possible that the above module doesn't match the
current version of Python, which is:
2.4.3 (#1, Dec 10 2010, 17:24:35) 
[GCC 4.1.2 20080704 (Red Hat 4.1.2-50)]


If you cannot solve this problem yourself, please go to 
the yum faq at:

  http://wiki.linux.duke.edu/YumFaq

求教 谢谢