Description of problem:
repo discovery help --type have a coma after yum but nothing else


 -t TYPE, --type=TYPE  content type to look for during discovery(required);
                        supported types: ['yum',]


Version-Release number of selected component (if applicable):
[root@katello-test ~]# rpm -q pulp
pulp-0.0.265-1.el6.noarch
[root@katello-test ~]# 


How reproducible:


Steps to Reproduce:
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Actual results:
[root@katello-test ~]# pulp-admin repo discovery  --helpUsage: pulp-admin <options> repo discovery <options>

Options:
  -h, --help            show this help message and exit
  -u URL, --url=URL     root url to perform discovery (required); Supported
                        Urls: ['http', 'https', 'file']; For a file based url,
                        the path should be accessible by apache
  --ca=CA               path location to the url ca certificate
  --cert=CERT           path location to the url entitlement combined private
                        key and certificate
  -g GROUPID, --groupid=GROUPID
                        groupids to associate the discovered repos (optional)
  -y, --assumeyes       assume yes; automatically create candidate repos for
                        discovered urls (optional)
  -t TYPE, --type=TYPE  content type to look for during discovery(required);
                        supported types: ['yum',]


Expected results:


Additional info: