Description of problem:
repo units search on errata seems to be erroring out

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


How reproducible:


Steps to Reproduce:
1. create a repo
2. create an errata in the repo
3. run repo units errata on the repo
  
Actual results:

[root@pulp-candidate scripts]# pulp-admin repo units errata --repo-id errata_demo --erratum-id DEMO_ID_1345649112
An unexpected error has occurred. More information can be found in the client
log file ~/.pulp/admin.log.

Expected results:


Additional info:

2012-08-22 11:30:38,123 - ERROR - Client-side exception occurred
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/pulp/client/extensions/core.py", line 475, in run
    exit_code = Cli.run(self, args)
  File "/usr/lib/python2.7/site-packages/okaara/cli.py", line 891, in run
    exit_code = command_or_section.execute(self.prompt, remaining_args)
  File "/usr/lib/python2.7/site-packages/okaara/cli.py", line 184, in execute
    return self.method(*arg_list, **clean_kwargs)
  File "/usr/lib/pulp/admin/extensions/rpm_units_search/pulp_cli.py", line 221, in run
    self.details(**kwargs)
  File "/usr/lib/pulp/admin/extensions/rpm_units_search/pulp_cli.py", line 267, in details
    errata = self.context.server.repo_unit_search.search(repo_id, criteria).response_body
AttributeError: 'Bindings' object has no attribute 'repo_unit_search'