Description of problem:
$ sudo pulp-admin repo list
error: operation failed: Traceback (most recent call last):
  File "/home/pkilambi/code/pulp/src/pulp/server/webservices/controllers/base.py", line 57, in report_error
    return method(self, *args, **kwargs)
  File "/home/pkilambi/code/pulp/src/pulp/server/webservices/role_check.py", line 94, in check_roles
    user = self.check_admin(*fargs)
  File "/home/pkilambi/code/pulp/src/pulp/server/webservices/role_check.py", line 154, in check_admin
    return self.check_admin_cert(*fargs) or self.check_username_pass(*fargs)
  File "/home/pkilambi/code/pulp/src/pulp/server/webservices/role_check.py", line 206, in check_admin_cert
    if id != user['id']:
TypeError: 'NoneType' object is not subscriptable