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错误:找不到vcvarsall.bat
我试图安装Python软件包dulwich: pip install dulwich 但是我收到了一个神秘的错误消息: error: Unable to find vcvarsall.bat 如果我尝试手动安装软件包,也会发生相同的情况: > python setup.py install running build_ext building 'dulwich._objects' extension error: Unable to find vcvarsall.bat