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Could not find a version that satisfies the requirement Werkzeug>=0.15 (from flask) (from versions: none)的解決

本文轉載自   查看原文   2020-03-15 21:47   1294 

在dos命令窗口輸入pip install flask 遇到錯誤

錯誤：

ERROR: Could not find a version that satisfies the requirement Werkzeug>=0.15 (from flask) (from versions: none)
ERROR: No matching distribution found for Werkzeug>=0.15 (from flask)

 

 

解決辦法

　　1.  pip --trusted-host pypi.python.org install 安裝包名字(flask)

 

　　2.  再不行 用鏡像網站

　　pip install 安裝包名字 -i http://pypi.doubanio.com/simple/ --trusted-host pypi.doubanio.com

 


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