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pycharm更新之后pip显示没有main转载自：https://www.cnblogs.com/bobo137950263/p/9903175.html更新pip之后，Pycharm安装package出现报错：module ‘pip’ has no attribute ‘main’找到安装目录下 helpers/packaging_tool.py文件，找到如下代码：beforedef...

更新sudo -H pip install --upgrade pip