错误描述
pip install requirements.txt
Defaulting to user installation because normal site-packages is not writeable
ERROR: Could not find a version that satisfies the requirement requirements.txt (from versions: none)
ERROR: No matching distribution found for requirements.txt
vagrant@vagrant:/vagrant$ sudo pip install requirements.txt
解决办法
少了 -r 参数，换成如下命令
pip install -r requirements.txt 
python
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