unicode problem at program book

[pat1]

Environment:

Request Method: POST
Request URL: http://zana.radiocittafujiko.it/programsbook/

Django Version: 1.9.8
Python Version: 2.7.5
Installed Applications:
['django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.admin',
'django.contrib.admindocs',
'django.contrib.staticfiles',
'autoradio.programs',
'autoradio.jingles',
'autoradio.spots',
'autoradio.playlists',
'autoradio.doc']
Installed Middleware:
['django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.locale.LocaleMiddleware',
'django.middleware.common.CommonMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.admindocs.middleware.XViewMiddleware',
'django.contrib.messages.middleware.MessageMiddleware']

Traceback:

File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response

1.                 response = self.process_exception_by_middleware(e, request)
   

File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response

1.                 response = wrapped_callback(request, _callback_args, *_callback_kwargs)
   

File "/usr/lib/python2.7/site-packages/autoradio/programs/views.py" in programsbook

1.                                   "  //   Denominazione del canale: "+str(canale), styles["Normal"])
   

Exception Type: UnicodeEncodeError at /programsbook/
Exception Value: 'ascii' codec can't encode character u'\xe0' in position 10: ordinal not in range(128)