Could not find a version that satisfies the requirement requirements.txt
2018-08-09 16:09
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1我同时安装了python2 和 python3
2 创建虚拟环境的时候用的是Python2
3 安装时用的pip 默认是pip3
4 使用pip2 install 安装requirements.txt
5 如果还不成功， 再使用pip2 逐个安装依赖包，不要使用requirements.txt
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