Description of problem:
Uploading a new content certificate using rhui-manager command throws a traceback:

[root@dhcp193-136 content-cert]# rhui-manager  cert upload --cert /root/content-cert/content-cert.crt  --key /root/content-cert/content-key.pem 
Traceback (most recent call last):
  File "/usr/bin/rhui-manager", line 16, in <module>
    rhui.tools.launcher.main()
  File "/usr/lib/python2.6/site-packages/rhui/tools/launcher.py", line 337, in main
    cli.run(args)
  File "/usr/lib/python2.6/site-packages/rhui/common/cli.py", line 275, in run
    command_or_section.execute(remaining_args)
  File "/usr/lib/python2.6/site-packages/rhui/common/cli.py", line 116, in execute
    self.method(**arg_dict)
  File "/usr/lib/python2.6/site-packages/rhui/tools/commands/cert.py", line 46, in upload
    if not content_cert.can_update_cert(self.config):
AttributeError: 'module' object has no attribute 'can_update_cert'


Version-Release number of selected component (if applicable):
pulp 0.171
rhui-toosl 2.0.22

How reproducible:
always

Steps to Reproduce:
1. # rhui-manager  cert upload --cert /root/content-cert/content-cert.crt  --key /root/content-cert/content-key.pem 
2.
3.
  
Actual results:
AttributeError: 'module' object has no attribute 'can_update_cert'

Expected results:
Content certificate should uploaded successfully

Additional info:
I used the same certs to update the content certs using rhui-tools. and I was able to upload them successfully.


-----------------------------------------------------------------------------
             -= Red Hat Update Infrastructure Management Tool =-


-= Entitlements Manager =-

   l   list Red Hat content certificate entitlements
   c   list custom repository entitlements
   u   upload a new Red Hat content certificate

                                         Connected: dhcp193-157.pnq.redhat.com
------------------------------------------------------------------------------
rhui (entitlements) => u

Full path to the new content certificate:
/root/content-cert/content-cert.crt

Full path to the new content certificate private key:
/root/content-cert/content-key.pem 

The RHUI will be updated with the following certificate:
  Certificate: /root/content-cert/content-cert.crt
  Key:         /root/content-cert/content-key.pem

Proceed? (y/n) y

Backing up certificate to /etc/pki/rhui/bak-content-cert.crt...
Updating RHUI Tools...
... certificate successfully updated
Updating repository Red Hat Update Infrastructure 1.2 (RPMs) (5Server-x86_64)...
... successfully updated
Updating repository Red Hat Update Infrastructure 1.2 (RPMs) (5Server-i386)...
... successfully updated

Red Hat Content Certificate

  General
    Not Before:    2011-03-29 13:59:28+00:00
    Not After:     2011-06-25 13:59:28+00:00
    Serial Number: 90

  Entitlements
    Red Hat Enterprise Linux Server (RPMs)
    Red Hat Enterprise Linux Server (SRPMS)
    Red Hat Enterprise Linux Server (STS)
    Red Hat Enterprise Linux Server 6 Optional Releases (RPMs)
    Red Hat Enterprise Linux Server 6 Optional Releases (SRPMS)
    Red Hat Enterprise Linux Server 6 Optional Updates (RPMs)
    Red Hat Enterprise Linux Server 6 Optional Updates (SRPMS)
    Red Hat Enterprise Linux Server 6 Releases (RPMs)
    Red Hat Enterprise Linux Server 6 Releases (SRPMS)
    Red Hat Enterprise Linux Server 6 Updates (RPMs)
    Red Hat Enterprise Linux Server 6 Updates (SRPMS)
    Red Hat Update Infrastructure 1.2 (RPMs)
    Red Hat Update Infrastructure 1.2 (SRPMS)

------------------------------------------------------------------------------
rhui (entitlements) =>