pip3 安装依赖 ModuleNotFoundError: No module named '_ctypes'

pip3 安装依赖 ModuleNotFoundError: No module named '_ctypes'

错误信息：

pip3 安装依赖 ModuleNotFoundError: No module named '_ctypes'

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解决办法：

#sudo  yum install libffi-devel

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然后重新编译，安装即可

 ./configure  --prefix=/usr/local/python3  --enable-optimizations
make && make install