问题描述：

在cmd窗口中用pip安装web.py的时候，出现了如下异常：

>>pip install web.py

Traceback (most recent call last):

File "/usr/bin/easy_install", line 5, in

from pkg_resources import load_entry_point

File "/usr/bin/lib/python2.7/site-packages/distribute-0.6.19-py2.7.egg/pkg_resources.py", line 2713, in

parse_requirements(__requires__), Environment()

File "/usr/bin/lib/python2.7/site-packages/distribute-0.6.19-py2.7.egg/pkg_resources.py", line 584, in resolve

raise DistributionNotFound(req)

pkg_resources.DistributionNotFound: distribute==0.6.15

...

解决方法：

以管理员身份运行cmd，重新输入pip install web.py