viewvc提示no module named apache

[einsteinhaha11]

httpd配置如下
ScriptAlias /viewvc "D:/svn_1.5/viewvc-1.0.5/bin/mod_python/viewvc.py"

<Location "/viewvc">
AddHandler python-program .py
PythonPath "[r'D:\\svn_1.5\\viewvc-1.0.5\\lib']+sys.path"
PythonHandler apache
PythonDebug On
AddDefaultCharset UTF-8

Require valid-user
AuthName "Subversion Repository"

AuthType SSPI
SSPIAuth On
SSPIAuthoritative On
SSPIDomain DOMAIN
SSPIOfferBasic On
SSPIOmitDomain On
SSPIUsernameCase lower
</Location>

IE访问的时候显示
MOD_PYTHON ERROR

ProcessId: 1344
Interpreter: 'localhost'

ServerName: 'localhost'
DocumentRoot: 'D:/svn_1.5/Apache2.2/htdocs'

URI: '/viewvc'
Location: '/viewvc'
Directory: None
Filename: 'D:/svn_1.5/viewvc-1.0.5/bin/mod_python/viewvc.py'
PathInfo: ''

Phase: 'PythonHandler'
Handler: 'apache'

Traceback (most recent call last):

File "C:\Python251\Lib\site-packages\mod_python\importer.py", line 1537, in HandlerDispatch
default=default_handler, arg=req, silent=hlist.silent)

File "C:\Python251\Lib\site-packages\mod_python\importer.py", line 1202, in _process_target
module = import_module(module_name, path=path)

File "C:\Python251\Lib\site-packages\mod_python\importer.py", line 304, in import_module
return __import__(module_name, {}, {}, ['*'])

ImportError: No module named apache

哪位高手能解决啊 ， 困扰好多天了 。