On RHEL6

[root@dhcp231-223 pulp]# pulp-client -u admin -p admin consumer create --id=fred
Traceback (most recent call last):
  File "/usr/bin/pulp-client", line 7, in <module>
    execfile(__file__)
  File "/home/pkilambi/code/pulp/bin/pulp-client", line 63, in <module>
    client.main()
  File "/home/pkilambi/code/pulp/src/pulp/client/cli/base.py", line 137, in main
    command.main(args[1:])
  File "/home/pkilambi/code/pulp/src/pulp/client/core/base.py", line 118, in main
    action.main(args[1:])
  File "/home/pkilambi/code/pulp/src/pulp/client/core/base.py", line 226, in main
    self.run()
  File "/home/pkilambi/code/pulp/src/pulp/client/core/consumer.py", line 173, in run
    consumer = self.consumer_api.create(id, description)
  File "/home/pkilambi/code/pulp/src/pulp/client/api/consumer.py", line 31, in create
    return self.server.PUT(path, consumerdata)[1]
  File "/home/pkilambi/code/pulp/src/pulp/client/server.py", line 297, in PUT
    return self._request('PUT', path, body=body)
  File "/home/pkilambi/code/pulp/src/pulp/client/server.py", line 254, in _request
    raise ServerRequestError(response.status, response_body, None)
pulp.client.server.ServerRequestError: (409, u'Consumer with id: fred already exists', None)
[root@dhcp231-223 pulp]#