Google app engine 鼻测试'；无法导入名称mkdir'；

我正在尝试使用nose（NoseGAE）测试我的GAE应用程序，但由于导入错误而失败。 我真的不明白为什么，因为它无法导入的是python内置的东西。 我正在测试一个简单的wsgi应用程序，它有一个写着“hello world”的处理程序

有人知道发生了什么吗？我在mac osx雪豹上

这是回溯：

    Traceback (most recent call last):
  File "/Library/Python/2.6/site-packages/nose-0.11.4-py2.6.egg/nose/loader.py", line 382, in loadTestsFromName
    addr.filename, addr.module)
  File "/Library/Python/2.6/site-packages/nose-0.11.4-py2.6.egg/nose/importer.py", line 39, in importFromPath
    return self.importFromDir(dir_path, fqname)
  File "/Library/Python/2.6/site-packages/nose-0.11.4-py2.6.egg/nose/importer.py", line 86, in importFromDir
    mod = load_module(part_fqname, fh, filename, desc)
  File "/Users/pepe/DEV/nosetests/tornado/testing.py", line 21, in <module>
    from tornado.httpclient import AsyncHTTPClient
  File "build/bdist.macosx-10.6-universal/egg/nosegae.py", line 204, in load_module
    return super(HookMixin, self).load_module(fullname)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1289, in Decorate
    return func(self, *args, **kwargs)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1939, in load_module
    return self.FindAndLoadModule(submodule, fullname, search_path)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1289, in Decorate
    return func(self, *args, **kwargs)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1841, in FindAndLoadModule
    description)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1289, in Decorate
    return func(self, *args, **kwargs)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1792, in LoadModuleRestricted
    description)
  File "/Users/pepe/DEV/nosetests/tornado/httpclient.py", line 28, in <module>
    import pycurl
  File "build/bdist.macosx-10.6-universal/egg/nosegae.py", line 204, in load_module
    return super(HookMixin, self).load_module(fullname)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1289, in Decorate
    return func(self, *args, **kwargs)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1939, in load_module
    return self.FindAndLoadModule(submodule, fullname, search_path)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1289, in Decorate
    return func(self, *args, **kwargs)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1841, in FindAndLoadModule
    description)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1289, in Decorate
    return func(self, *args, **kwargs)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1785, in LoadModuleRestricted
    return source_file.load_module(submodule_fullname)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/dist/py_zipimport.py", line 213, in load_module
    exec code in mod.__dict__
  File "/Library/Python/2.6/site-packages/pycurl-7.19.0-py2.6-macosx-10.6-universal.egg/pycurl.py", line 7, in <module>
    __bootstrap__()
  File "/Library/Python/2.6/site-packages/pycurl-7.19.0-py2.6-macosx-10.6-universal.egg/pycurl.py", line 3, in __bootstrap__
    import sys, pkg_resources, imp
  File "build/bdist.macosx-10.6-universal/egg/nosegae.py", line 204, in load_module
    return super(HookMixin, self).load_module(fullname)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1289, in Decorate
    return func(self, *args, **kwargs)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1939, in load_module
    return self.FindAndLoadModule(submodule, fullname, search_path)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1289, in Decorate
    return func(self, *args, **kwargs)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1841, in FindAndLoadModule
    description)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1289, in Decorate
    return func(self, *args, **kwargs)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 1785, in LoadModuleRestricted
    return source_file.load_module(submodule_fullname)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/dist/py_zipimport.py", line 213, in load_module
    exec code in mod.__dict__
  File "/Library/Python/2.6/site-packages/setuptools-0.6c12dev_r85381-py2.6.egg/pkg_resources.py", line 24, in <module>
    from os import utime, rename, unlink, mkdir
ImportError: cannot import name mkdir

回溯（最近一次呼叫最后一次）：
loadTestsFromName中的文件“/Library/Python/2.6/site packages/nose-0.11.4-py2.6.egg/nose/loader.py”，第382行
addr.filename，addr.module）
importFromPath中的文件“/Library/Python/2.6/site packages/nose-0.11.4-py2.6.egg/nose/importer.py”，第39行
返回self.importFromDir（目录路径，fqname）
importFromDir中的文件“/Library/Python/2.6/site packages/nose-0.11.4-py2.6.egg/nose/importer.py”，第86行
mod=加载模块（部件名称、fh、文件名、描述）
文件“/Users/pepe/DEV/nosetests/tornado/testing.py”，第21行，在
从tornado.httpclient导入异步httpclient
文件“build/bdist.macosx-10.6-universal/egg/nosegae.py”，第204行，在load_模块中
返回超级（HookMixin，self）.load_模块（全名）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1289行
返回函数（self、*args、**kwargs）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1939行，在加载模块中
返回self.findLoadModule（子模块、全名、搜索路径）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1289行
返回函数（self、*args、**kwargs）
FindLoadModule中的文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1841行
（说明）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1289行
返回函数（self、*args、**kwargs）
LoadModuleRestricted中的文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine/google/appengine/tools/dev_appserver.py”，第1792行
（说明）
文件“/Users/pepe/DEV/nosetests/tornado/httpclient.py”，第28行，在
导入pycurl
文件“build/bdist.macosx-10.6-universal/egg/nosegae.py”，第204行，在load_模块中
返回超级（HookMixin，self）.load_模块（全名）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1289行
返回函数（self、*args、**kwargs）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1939行，在加载模块中
返回self.findLoadModule（子模块、全名、搜索路径）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1289行
返回函数（self、*args、**kwargs）
FindLoadModule中的文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1841行
（说明）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1289行
返回函数（self、*args、**kwargs）
LoadModuleRequired中的文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine/google/appengine/tools/dev_appserver.py”，第1785行
返回源\文件。加载\模块（子模块\全名）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/dist/py\u zipimport.py”，第213行，在加载模块中
模块中的exec代码__
文件“/Library/Python/2.6/site packages/pycurl-7.19.0-py2.6-macosx-10.6-universal.egg/pycurl.py”，第7行，在
__引导程序
文件“/Library/Python/2.6/site packages/pycurl-7.19.0-py2.6-macosx-10.6-universal.egg/pycurl.py”，第3行，在引导程序中__
导入系统，打包资源，imp
文件“build/bdist.macosx-10.6-universal/egg/nosegae.py”，第204行，在load_模块中
返回超级（HookMixin，self）.load_模块（全名）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1289行
返回函数（self、*args、**kwargs）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1939行，在加载模块中
返回self.findLoadModule（子模块、全名、搜索路径）
文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1289行
返回函数（self、*args、**kwargs）
FindLoadModule中的文件“/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine default.bundle/Contents/Resources/google\u appengine/google/appengine/tools/dev\u appserver.py”，第1841行
（说明）
文件“/A