How to fix this? Sybase module and character set!!!!

[boyeestudio]

C:\>python msMdbPro2.py
Traceback (most recent call last):
  File "msMdbPro2.py", line 152, in ?
    main()
  File "msMdbPro2.py", line 132, in main
    testSyb = SybaseProc(199477,'10.130.58.154','sa','','zxdb_ecity',173624)
  File "msMdbPro2.py", line 44, in __init__
    self.sybdata = Sybase.connect(hostip,user,pwd,databasename)
  File "C:\Python24\lib\site-packages\Sybase.py", line 1087, in connect
    strip, auto_commit, delay_connect, locking, datetime)
  File "C:\Python24\lib\site-packages\Sybase.py", line 866, in __init__
    self.connect()
  File "C:\Python24\lib\site-packages\Sybase.py", line 960, in connect
    status = conn.ct_connect(self.dsn)
  File "C:\Python24\lib\site-packages\Sybase.py", line 200, in _servermsg_cb
    raise DatabaseError(_fmt_server(msg))
Sybase.DatabaseError: Msg 2401, Level 11, State 2
Character set conversion is not available between client character set
'iso_1' and server character set 'eucgb'.
Msg 2411, Level 10, State 1
No conversions will be done.
Msg 2415, Level 10, State 1
Due to previous errors, the language for this session is being forced to
'us_english'.

How to change the client(My python program)'s character set from iso_1 to
eucgb(Chinese gb2312)?
Thanks!
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