安装V2EX过程中遇到此类问题，有牛人给解答一下么？

2011-05-03 15:35:14 Running command: "['C:\\Python26\\python.exe', u'C:\\Program Files (x86)\\Google\\google_appengine\\dev_appserver.py', '--admin_console_server=', '--port=8080', 'E:\\mydoc\\bitpapa001']"
C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\appcfg.py:42: DeprecationWarning: the sha module is deprecated; use the hashlib module instead
import sha
C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_login.py:33: DeprecationWarning: the md5 module is deprecated; use hashlib instead
import md5
C:\Program Files (x86)\Google\google_appengine\google\appengine\api\validation.py:64: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6
self.message = message
C:\Program Files (x86)\Google\google_appengine\google\appengine\api\validation.py:197: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6
e.message = "Missing required value '%s'." % key
C:\Program Files (x86)\Google\google_appengine\google\appengine\api\validation.py:68: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6
return str(self.message)
ERROR 2011-05-03 07:35:22,910 dev_appserver_main.py:468] Fatal error when loading application configuration:
Missing required value 'version'.
in "E:\mydoc\bitpapa001\app.yaml", line 168, column 23
2011-05-03 15:35:22 (Process exited with code 1)