1、我的系统是ubantu16.04版本。

2、我是在安装setuptools的时候，运行python setup.py install出现的。

3、具体代码间下面：

XXXXX@XXXXXX:~/requests/setuptools-0.6c11$ python setup.py install

running install

Traceback (most recent call last):

File "setup.py", line 94, in

scripts = scripts,

File "/usr/local/lib/python2.7/distutils/core.py", line 152, in setup

dist.run_commands()

File "/usr/local/lib/python2.7/distutils/dist.py", line 953, in run_commands

self.run_command(cmd)

File "/usr/local/lib/python2.7/distutils/dist.py", line 972, in run_command

cmd_obj.run()

File "/home/sprint/requests/setuptools-0.6c11/setuptools/command/install.py", line 76, in run

self.do_egg_install()

File "/home/sprint/requests/setuptools-0.6c11/setuptools/command/install.py", line 85, in do_egg_install

easy_install = self.distribution.get_command_class('easy_install')

File "/home/sprint/requests/setuptools-0.6c11/setuptools/dist.py", line 395, in get_command_class

self.cmdclass[command] = cmdclass = ep.load()

File "/home/sprint/requests/setuptools-0.6c11/pkg_resources.py", line 1954, in load

entry = __import__(self.module_name, globals(),globals(), ['__name__'])

File "/home/sprint/requests/setuptools-0.6c11/setuptools/command/easy_install.py", line 12, in

import sys, os.path, zipimport, shutil, tempfile, zipfile, re, stat, random

File "/usr/local/lib/python2.7/tempfile.py", line 32, in

import io as _io

File "/usr/local/lib/python2.7/io.py", line 51, in

import _io

ImportError: /usr/local/lib/python2.7/lib-dynload/_io.so: undefined symbol: _PyErr_ReplaceException