pip install Flask出现错误

在控制台输入:pip install Flask==0.12.2

错误提示:

Looking in indexes: http://pypi.douban.com/simple ERROR: Could not find a version that satisfies the requirement Flask==0.12.2 (from versions: none) ERROR: No matching distribution found for Flask==0.12.2

这个错误表明在指定的索引(http://pypi.douban.com/simple)中找不到Flask 0.12.2版本。

解决方法:

输入:pip install Flask==0.12.2 -i https://pypi.org/simple

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转载自blog.csdn.net/weixin_60680666/article/details/137558874