Python 包安装error: Microsoft Visual C++ 14.0 is required...问题解决方案,

错误描述：

ERROR:
-----------------------------------------------------------------------------------
Collecting pandas
Could not fetch URL https://pypi.python.org/simple/pandas/: There was a proble
m confirming the ssl certificate: [SSL: CERTIFICATE_VERIFY_FAILED] certificate v
erify failed (_ssl.c:748) - skipping
Could not find a version that satisfies the requirement pandas (from versions:
)
No matching distribution found for pandas
-----------------------------------------------------------------------------------

解决方案：

Python 3.6 模块安装error: Microsoft Visual C++ 14.0 is required...问题解决方案,
一般并不是缺少C++运行环境,而是要在
http://www.lfd.uci.edu/~gohlke/pythonlibs/
逐个找包的依赖，从顶层依赖一步一步的安装包，还要特别注意包版本之间的兼容性
PyQt4-->traits-->VTK7.1-->mayavi-4.5.0