Mac系统 M1芯片安装graphviz & Error: No such file or directory @ rb_sysopen问题解决
1.Mac系统 M1芯片安装graphviz
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在已按照homebrew的情况下，直接输入下述指令即可：
brew install graphviz -
若未安装homebrew，可参考此处homebrew安装教程进行安装
2.安装时遇到的问题
graphviz.backend.ExecutableNotFound: failed to execute ['dot', '-Tpng', '-O', 'test.gv'],make sure the Graphviz
executables are on your systems' PATH
Error: No such file or directory @ rb_sysopen - /Users/xx/Library/Caches/Homebrew/downloads/7a3b4024ffd6b23b7ecf29821cc54d8493966fd87cd633780bf4bcc66b579571--harfbuzz-5.3.0.big_sur.bottle.tar.gz
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上述问题是因为harbuzz这个库并未安装导致，可使用下述指令重新进行安装即可；
brew install harfbuzz
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最后安装成功，画出的树如下所示：
