Description of problem:

feedless puppet repos run sync command and then error out 

Version-Release number of selected component (if applicable):
[root@preethi-el6-pulp ~]# rpm -qa pulp-rpm-server
pulp-rpm-server-2.0.3-17.el6.noarch


How reproducible:


Steps to Reproduce:
1. create a feed less puppet repo
2. run repo sync on the repo
3.
  
Actual results:
[root@preethi ~]# pulp-admin puppet repo create --repo-id feedless1
Successfully created repository [feedless1]

[root@preethi ~]# pulp-admin rpm repo sync run --repo-id feedless1
+----------------------------------------------------------------------+
                  Synchronizing Repository [feedless1]
+----------------------------------------------------------------------+

This command may be exited by pressing ctrl+c without affecting the actual
operation on the server.

[root@preethi ~]# 



From the log

2012-12-14 13:03:36,054 pulp_puppet.plugins.importers.sync:INFO: Beginning sync for repository <feedless1>
2012-12-14 13:03:36,055 pulp_puppet.plugins.importers.sync:INFO: Beginning metadata retrieval for repository <feedless1>
2012-12-14 13:03:36,055 pulp_puppet.plugins.importers.downloaders.factory:ERROR: Exception parsing feed type for feed <None>
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/pulp_puppet/plugins/importers/downloaders/factory.py", line 106, in _determine_feed_type
    proto, netloc, path, params, query, frag = urlparse.urlparse(feed)
  File "/usr/lib64/python2.7/urlparse.py", line 135, in urlparse
    tuple = urlsplit(url, scheme, allow_fragments)
  File "/usr/lib64/python2.7/urlparse.py", line 174, in urlsplit
    i = url.find(':')
AttributeError: 'NoneType' object has no attribute 'find'
2012-12-14 13:03:36,055 pulp_puppet.plugins.importers.sync:ERROR: Exception while retrieving metadata for repository <feedless1>
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/pulp_puppet/plugins/importers/sync.py", line 101, in _parse_metadata
    downloader = self._create_downloader()
  File "/usr/lib/python2.7/site-packages/pulp_puppet/plugins/importers/sync.py", line 339, in _create_downloader
    self.config, self.is_cancelled_call)
  File "/usr/lib/python2.7/site-packages/pulp_puppet/plugins/importers/downloaders/factory.py", line 65, in get_downloader
    feed_type = _determine_feed_type(feed)
  File "/usr/lib/python2.7/site-packages/pulp_puppet/plugins/importers/downloaders/factory.py", line 110, in _determine_feed_type
    raise InvalidFeed(feed)
InvalidFeed: None
2012-12-14 13:03:36,191 pulp.server.dispatch.task:ERROR: Importer indicated a failed response
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/pulp/server/dispatch/task.py", line 123, in _run
    result = call(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/pulp/server/managers/repo/sync.py", line 158, in sync
    raise PulpExecutionException(_('Importer indicated a failed response'))
PulpExecutionException: Importer indicated a failed response
2012-12-14 13:03:36,192 pulp.server.dispatch.task:INFO: FAILURE: Task 0d40fa6d-f17e-4ca4-bb28-c885d5c1a172: CallRequest: RepoSyncManager.sync(u'feedless1', sync_config_override=None, importer_config={}, importer_instance=<pulp_puppet.plugins.importers.importer.PuppetModuleImporter object at 0x7fb19c53f6d0>)