yum install bzr error

[root@localhost ~]# yum install bzr
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
 * base: mirror.esocc.com
 * epel: mirrors.yun-idc.com
 * epel-testing: mirrors.neusoft.edu.cn
 * extras: mirror.esocc.com
 * updates: mirror.esocc.com
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package bzr.x86_64 0:2.1.4-2.el5 will be installed
--> Processing Dependency: python(abi) = 2.4 for package: bzr-2.1.4-2.el5.x86_64
--> Processing Dependency: python-paramiko for package: bzr-2.1.4-2.el5.x86_64
--> Processing Dependency: python-elementtree for package: bzr-2.1.4-2.el5.x86_64
--> Running transaction check
---> Package bzr.x86_64 0:2.1.4-2.el5 will be installed
--> Processing Dependency: python(abi) = 2.4 for package: bzr-2.1.4-2.el5.x86_64
--> Processing Dependency: python-elementtree for package: bzr-2.1.4-2.el5.x86_64
---> Package python-paramiko.noarch 0:1.7.6-1.el5 will be installed
--> Processing Dependency: python(abi) = 2.4 for package: python-paramiko-1.7.6-1.el5.noarch
--> Processing Dependency: python-crypto >= 1.9 for package: python-paramiko-1.7.6-1.el5.noarch
--> Running transaction check
---> Package bzr.x86_64 0:2.1.4-2.el5 will be installed
--> Processing Dependency: python(abi) = 2.4 for package: bzr-2.1.4-2.el5.x86_64
--> Processing Dependency: python-elementtree for package: bzr-2.1.4-2.el5.x86_64
---> Package python-crypto.x86_64 0:2.0.1-22.el6 will be installed
---> Package python-paramiko.noarch 0:1.7.6-1.el5 will be installed
--> Processing Dependency: python(abi) = 2.4 for package: python-paramiko-1.7.6-1.el5.noarch
--> Finished Dependency Resolution
Error: Package: bzr-2.1.4-2.el5.x86_64 (epel)
           Requires: python-elementtree
Error: Package: python-paramiko-1.7.6-1.el5.noarch (epel)
           Requires: python(abi) = 2.4
           Installed: python-2.6.6-52.el6.x86_64 (@updates)
               python(abi) = 2.6
           Available: python-2.6.6-51.el6.x86_64 (base)
               python(abi) = 2.6
           Available: python26-2.6.8-2.el5.x86_64 (epel)
               python(abi) = 2.6
Error: Package: bzr-2.1.4-2.el5.x86_64 (epel)
           Requires: python(abi) = 2.4
           Installed: python-2.6.6-52.el6.x86_64 (@updates)
               python(abi) = 2.6
           Available: python-2.6.6-51.el6.x86_64 (base)
               python(abi) = 2.6
           Available: python26-2.6.8-2.el5.x86_64 (epel)
               python(abi) = 2.6
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest

centos6.3 x86-64 yum update时关于python(abi)的报错的解决办法。
yum clean all
rpm --rebuilddb
/etc/yum.repo.d/目录下只使用Cent*.repo这几个源，其他的源不启用。
yum update
应该就可以了。