Google app engine 谷歌应用程序引擎开发服务器错误

我正在运行Windows 7 64，运行项目时收到以下警告。文件存在，并且我的路径信息似乎正确。这是已知的bug吗

2012-04-25 22:19:51 Running command: "['C:\\Python27\\pythonw.exe', 'C:\\Program Files (x86)\\Google\\google_appengine\\dev_appserver.py', '--admin_console_server=', '--port=8080', 'C:\\Users\\John\\workspace\\busilinks']"
WARNING  2012-04-25 15:19:53,253 datastore_file_stub.py:518] Could not read datastore data from c:\users\john\appdata\local\temp\dev_appserver.datastore
INFO     2012-04-25 15:19:53,299 dev_appserver_multiprocess.py:647] Running application dev~busilinks on port 8080: http://localhost:8080
INFO     2012-04-25 15:19:53,299 dev_appserver_multiprocess.py:649] Admin console is available at: http://localhost:8080/_ah/admin
WARNING  2012-04-25 15:20:21,331 py_zipimport.py:139] Can't open zipfile C:\Python27\lib\site-packages\setuptools-0.6c12dev_r88846-py2.7.egg: IOError: [Errno 13] file not accessible: 'C:\\Python27\\lib\\site-packages\\setuptools-0.6c12dev_r88846-py2.7.egg'
INFO     2012-04-25 15:20:21,766 datastore_stub_index.py:263] Updating C:\Users\John\workspace\busilinks\index.yaml

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是的，这是一个已知的bug，因为1.6.4版的数据存储文件没有保存。有关无法访问setuptools-0.6c12dev_r88846-py2.7.egg的警告的详细信息，请访问

？