问题描述 当前环境win10,python_3.6.1,64位. 在windows下,在dos中运行pip install Scrapy报错: building 'twisted.test.raiser' extension error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/vis…
(一)问题描述 Centos7 安装python-igraph时,pip install python-igraph 报错,C core of igraph 没有安装. failure: repodata/repomd.xml from base: [Errno ] No more mirrors to try. Cannot find the C core of igraph on this system using pkg-config. We will now try to downloa…