最近用户用漏扫软件扫出OpenSSH漏洞，可是升级完OpenSSL和OpenSSH后，yum却报错。OpenSSL装回原来的版本，yum报错就没了。
求大神指点迷津！
操作系统：rhel-server-5.8-s390x
OpenSSH升级前版本：OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008
升级后版本：OpenSSH_6.7p1, OpenSSL 1.0.1i 6 Aug 2014
运行yum报错：[root@rdlnx020 ~]# yum
Traceback (most recent call last):
File "/usr/bin/yum", line 4, in ?
import yum
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 51, in ?
import config
File "/usr/lib/python2.4/site-packages/yum/config.py", line 27, in ?
from parser import ConfigPreProcessor
File "/usr/lib/python2.4/site-packages/yum/parser.py", line 3, in ?
import urlgrabber
File "/usr/lib/python2.4/site-packages/urlgrabber/__init__.py", line 53, in ?
from grabber import urlgrab, urlopen, urlread
File "/usr/lib/python2.4/site-packages/urlgrabber/grabber.py", line 412, in ?
import keepalive
File "/usr/lib/python2.4/site-packages/urlgrabber/keepalive.py", line 339, in ?
class HTTPSHandler(KeepAliveHandler, urllib2.HTTPSHandler):
AttributeError: 'module' object has no attribute 'HTTPSHandler'
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