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Ubuntu16.4 安装python3.7之后，pip3无法正常使用

Ubuntu16.4 默认安装python3.5,自己安装python3.7之后，pip3 -V 还是python3.5

1.我将python3.7添加软连接

#添加python3的软链接ln -s /usr/local/python3/bin/python3.7 /usr/bin/python3#添加 pip3 的软链接ln -s /usr/local/python3/bin/pip3.7 /usr/bin/pip3

python3 -V 显示python3.7

2.pip3 -V 报错

Traceback (most recent call last):  File "/usr/local/bin/pip3", line 5, in 
   
        from pip._internal.cli.main import mainModuleNotFoundError: No module named 'pip'
   

我是这样解决的

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.pypython3 get-pip.py --force-reinstall

Collecting pip  Using cached pip-20.2.4-py2.py3-none-any.whl (1.5 MB)Installing collected packages: pipSuccessfully installed pip-20.2.4root@ubuntu-s-1vcpu-2gb-sfo3-01-chenglulu:/usr/local/lib# pip3 -Vpip 20.2.4 from /usr/local/lib/python3.7/dist-packages/pip (python 3.7)

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