Description of problem:

When python-reportlab is installed, xmlrpclib.getparser() returns an sgmlop-based parser instead of whatever else it uses. rhn_check attempts to access attribute _parser, which does not exist in this case.

[Fri Nov 18 15:44:15 2011] up2date 
Traceback (most recent call last):
  File "/usr/sbin/rhn_check", line 373, in ?
    cli.run()
  File "/usr/share/rhn/up2date_client/rhncli.py", line 74, in run
    sys.exit(self.main() or 0)
  File "/usr/sbin/rhn_check", line 71, in main
    self.__run_remote_actions()
  File "/usr/sbin/rhn_check", line 175, in __run_remote_actions
    self.handle_action(action)
  File "/usr/sbin/rhn_check", line 234, in handle_action
    (method, params) = self.__parse_action_data(action)
  File "/usr/sbin/rhn_check", line 193, in __parse_action_data
    parser._parser.returns_unicode = 0
exceptions.AttributeError: SgmlopParser instance has no attribute '_parser'

Version-Release number of selected component (if applicable):

rhn-check-1.5.16-1.el5 (spacewalk client)
python-reportlab-2.5-3.el5 (epel)
python-libs-2.4.3-44.el5_7.1 (centos/rhel)

How reproducible:

Tried twice on different hosts and behavior was consistent.

Steps to Reproduce:

1. yum install python-reportlab
2. schedule a package update from Spacewalk
3. rhn_check (or just wait)
4. check /var/log/up2date for failure
5. yum remove python-reportlab
6. rhn_check
7. check for success
  
Actual results:

Above-mentioned Python traceback results and no package is installed.

Expected results:

Package installs without error

Additional info: