[mod_python] MySQLdb problem

I am use mod_python3.2.8,MySQL-python-1.2.1_p2,mysql5.0.20,centOS
when I run the script below(I save this script also in utf-8):
#coding: utf-8
from MySQLdb import connect
connection=connect(user='root',passwd='',host='localhost',db='test')
cursor = connection.cursor()
cursor.execute("INSERT INTO `fee` ( `affair` ) VALUES ('²âÊÔ')")
#'²âÊÔ' is a chinese word means test
 
it raise error:
Traceback (most recent call last):
  File "test.py", line 8, in ?
    cursor.execute("INSERT INTO `fee` ( `affair` ) VALUES ('²âÊÔ')")
  File "/opt/python/lib/python2.4/site-packages/MySQLdb/cursors.py", line 146, in execute
    query = query.encode(charset)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe6 in position 40: ordinal not in range(128)
 
 
 
 
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