我的setuptools 是14.3.1

Scofier:chat sk$ python bootstrap.py -v 14.3.1
Downloading http://pypi.python.org/packages/2.7/s/setuptools/setuptools-0.6c11-py2.7.egg
No local packages or download links found for zc.buildout==14.3.1
Traceback (most recent call last):
File "", line 1, in
File "/private/var/folders/p9/_69nns9s6rs467vj6njph32h0000gn/T/tmp7lcGxh/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 1712, in main

File "/private/var/folders/p9/_69nns9s6rs467vj6njph32h0000gn/T/tmp7lcGxh/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 1700, in with_ei_usage

File "/private/var/folders/p9/_69nns9s6rs467vj6njph32h0000gn/T/tmp7lcGxh/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 1716, in

File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/core.py", line 152, in setup
dist.run_commands()
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py", line 953, in run_commands
self.run_command(cmd)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py", line 972, in run_command
cmd_obj.run()
File "/private/var/folders/p9/_69nns9s6rs467vj6njph32h0000gn/T/tmp7lcGxh/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 211, in run

File "/private/var/folders/p9/_69nns9s6rs467vj6njph32h0000gn/T/tmp7lcGxh/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 434, in easy_install

File "/private/var/folders/p9/_69nns9s6rs467vj6njph32h0000gn/T/tmp7lcGxh/setuptools-0.6c11-py2.7.egg/setuptools/package_index.py", line 475, in fetch_distribution
AttributeError: 'NoneType' object has no attribute 'clone'
An error occurred when trying to install zc.buildout. Look above this message for any errors that were output by easy_install.