問題一：
[root@iZ251bgaex6Z dianle]# scrapy crawl fanli
Traceback (most recent call last):
File "/usr/bin/scrapy", line 4, in <module>
import pkg_resources
File "/usr/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 2603, in <module>
if item==nloc:
File "/usr/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 666, in require
unloadable plugin distributions to an exception instance describing the
File "/usr/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 565, in resolve
On exit from this routine, `entry` is added to the end of the working
pkg_resources.DistributionNotFound: queuelib
解決方法：
pip install --upgrade setuptools
原因分析：
setuptools自身的缺陷，通過upgrade來更新一下 setuptools至最新版本即可；
