'ascii' codec can't encode character u'\xf3'

[oziko]

Hi, I get a piece of code of ogg123.py from the pyogg site, this is the 
code:
*******************************
ogg_file = sys.argv[1]

vorbis_file=ogg.vorbis.VorbisFile(ogg_file)
comentarios = vorbis_file.comment()
		

recognized_comments = ('Artist', 'Album', 'Title', 'Version',
			'Organization', 'Genre', 'Description',
			'Date', 'Location', 'Copyright', 'Vendor')

comment_dict = {}
for com in recognized_comments:
	comment_dict[string.upper(com)] = '%s: %%s' % com

known_keys = comment_dict.keys()

for key, val in comentarios.items():
	if key in known_keys:
		print comment_dict[key] % val
	else:
		continue
		#print "Unknown comment: %s" % val
****************************

When I run int I get this error:

Album: Trapos
Vendor: Xiph.Org libVorbis I 20020717
Artist: Attaque 77
Traceback (most recent call last):
   File "./ogg2sql.py", line 51, in ?
     print comment_dict[key] % val
UnicodeEncodeError: 'ascii' codec can't encode character u'\xf3' in 
position 15: ordinal not in range(128)


The title of the song has especial carateres Title= Perfección, it is in 
espanish. I put at the begining og the scrpit the encodign coment

#!/usr/bin/env python
# -*- coding: UTF8 -*-


As you see the script get the comment og a vorbis file, and all the 
comments are in unicode.

So I do not understan why the script uses an ascii codec, Am I not using 
Unicode coding?