Bug 958932

Description of problem:

Attempting to install an errata from the 'zoo' test repo results in an error from the consumer.

Version-Release number of selected component (if applicable):
pulp-server-2.1.1-0.9.beta.el6.noarch

How reproducible:
always

Steps to Reproduce:
1. synced zoo repo ( http://inecas.fedorapeople.org/fakerepos/zoo3/ )

2. register client, e.g.
subscription-manager register --org ACME_Corporation --environment dev/zoo_view_1

3. subscribe client, e.g.
subscription-manager subscribe --pool 8a8d01353e56ebfd013e56ef6d900004

4. update the redhat.repo, e.g.
yum repolist

5. install an older version of 'walrus' on the client
yum install walrus-0.71

6. attempt to install 'RHEA-2012:0002' which should update walrus to walrus-5.21

Actual results:

Package not updated on the client.  The following error observed in the log:
  (Notice that the package name is listed as: walrus-None:5.21-1.noarch vs walrus-5.21-1.noarch)

2013-05-02 12:30:56,036 [INFO][worker-0] dispatch() @ dispatcher.py:646 - request: {'classname': 'Content', 'kws': {}, 'args': [[{'unit_key': {'name': 'walrus-None:5.21-1.noarch'}, 'type_id': 'rpm'}], {}], 'method': 'install', 'cntr': None}
2013-05-02 12:30:56,499 [INFO][worker-0] update_progress() @ conduit.py:40 - Progress reported:{'steps': [['Refresh Repository Metadata', None]], 'details': {}}
2013-05-02 12:30:56,730 [ERROR][worker-0] install() @ dispatcher.py:80 - handler failed
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/pulp/agent/lib/dispatcher.py", line 76, in install
    report = handler.install(conduit, units, dict(options))
  File "/usr/lib/pulp/agent/handlers/rpm.py", line 99, in install
    details = pkg.install(names)
  File "/usr/lib/python2.6/site-packages/pulp_rpm/handler/rpmtools.py", line 124, in install
    yb.install(pattern=info)
  File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 3461, in install
    raise Errors.InstallError, _('No package(s) available to install')
InstallError: No package(s) available to install
2013-05-02 12:30:56,741 [INFO][worker-0] sendreply() @ rmi.py:156 - 0872270c-107c-47a7-ac59-3be9249807f0 processed in: 758 (ms)


Expected results:
Package on client updated to: walrus-5.21-1

Additional info: