Mod_python error: "PythonHandler mod_python.publisher"

Traceback (most recent call last):

  File "/usr/lib/python2.4/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/usr/lib/python2.4/site-packages/mod_python/publisher.py", line 213, in handler
    published = publish_object(req, object)

  File "/usr/lib/python2.4/site-packages/mod_python/publisher.py", line 412, in publish_object
    return publish_object(req,util.apply_fs_data(object, req.form, req=req))

  File "/usr/lib/python2.4/site-packages/mod_python/util.py", line 439, in apply_fs_data
    return object(**args)

  File "/var/www/bin/localhost/buscar.py", line 42, in index
    b.SacaPerfil(par)

  File "/var/www/bin/localhost/buscar.py", line 628, in SacaPerfil
    self.ComunUsuario(pl, par, True)

  File "/var/www/bin/localhost/buscar.py", line 572, in ComunUsuario
    self.ArticulosUsuario(pl, par['u'])

  File "/var/www/bin/localhost/buscar.py", line 1009, in ArticulosUsuario
    qry = self.DoQuery( \

  File "/var/www/bin/api/dice.py", line 160, in DoQuery
    query = Query(self.req, self.db.cursor(), sql)

  File "/var/www/bin/api/dice.py", line 75, in __init__
    self.registros = self.cursor.execute(query)

  File "/usr/lib/python2.4/site-packages/MySQLdb/cursors.py", line 146, in execute
    query = query.encode(charset)

UnicodeEncodeError: 'latin-1' codec can't encode character u'\u201c' in position 75: ordinal not in range(256)