openstack error

root@david-VirtualBox:~/OpenStackInstaller# ./upload_ubuntu.sh -a admin -p openstack -t demo -C 198.16.0.1
--2012-09-27 21:30:42--  http://uec-images.ubuntu.com/releases/precise/release/ubuntu-12.04-server-cloudimg-amd64.tar.gz
Resolviendo uec-images.ubuntu.com (uec-images.ubuntu.com)... 91.189.88.140
Conectando con uec-images.ubuntu.com (uec-images.ubuntu.com)[91.189.88.140]:80... conectado.
Petición HTTP enviada, esperando respuesta... 200 OK
Longitud: 222219791 (212M) [application/x-gzip]
Grabando a: “/tmp/__upload/ubuntu-12.04-server-cloudimg-amd64.tar.gz”

100%[===========================================================================>] 222.219.791 1,02M/s   en 4m 11s

2012-09-27 21:34:53 (865 KB/s) - “/tmp/__upload/ubuntu-12.04-server-cloudimg-amd64.tar.gz” guardado [222219791/222219791]

Traceback (most recent call last):
  File "/usr/bin/glance", line 1048, in <module>
    result = command(options, args)
  File "/usr/bin/glance", line 298, in image_add
    print piece
UnicodeEncodeError: 'ascii' codec can't encode character u'\xf3' in position 18: ordinal not in range(128)
Traceback (most recent call last):
  File "/usr/bin/glance", line 1048, in <module>
    result = command(options, args)
  File "/usr/bin/glance", line 298, in image_add
    print piece
UnicodeEncodeError: 'ascii' codec can't encode character u'\xf3' in position 18: ordinal not in range(128)
ubuntu 12.04 amd64 now available in Glance ()
root@david-VirtualBox:~/OpenStackInstaller#