catkin_make报错:can‘t findcan‘t find ‘__main__‘ module in ‘/home/u/.local/lib/python3.8/site-packegs/.

在进行catkin_make时,报错:

/home/steven/miniconda3/bin/python3: can't find '__main__' module in '/home/steven/.local/lib/python3.8/site-packages/em'

原因是安装的em包缺少__main__.py

em完整包下载链接

下载后将__main__.py复制粘贴到该目录下即可

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