Could not find a version that satisfies the requirement flask
使用命令安装flask，出现报错 百度找到解决方法https://www.cnblogs.com/lijinze-tsinghua/p/8666558.html 参考修改成pip instal ...
原文：Could not find a version that satisfies the requirement PIL
Python Imageing Library 简称 PIL Python常用的图像处理库之一 Pillow是PIL一个fork. 更换为: C: Users dangzhengtao gt pip install pillow Collecting pillow Downloading https: files.pythonhosted.org packages a f ab d bf d a ...
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