奔跑的蜗牛

/tmp/pip-build-imUeln/lxml/src/lxml/includes/etree_defs.h:14:31: fatal error: libxml/xmlversion.h: No such file or directory           #include "libxml/xmlversion.h"                             

pip install spynner 报错 src/png_io.c:3:17: error: png.h: No such file or directory 解决：yum install libpng libpng-devel 再pip install spynner 安装成功：   Running setup.py install for beautifulsoup4  

在windows7上安装 pip install scipy报错： numpy.distutils.system_info.NotFoundError: no lapack/blas resources found 解决： 安装scipy-0.15.1-win32-superpack-python2.7.exe即可

unknown encoding: cp65001异常 编码格式错误，需要将编码修改为：简体中文 即：C:\>chcp 936

/tmp/pip-build-7HN4t8/lxml/src/lxml/includes/etree_defs.h:14:31: fatal error: libxml/xmlversion.h: No such file or directory   /bin/python -c "import setuptools, tokenize;__file__='/tmp/pip-build-7H