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Ubuntu16.04 安装pyhton3.6及升级pip遇到的问题_error: ppa 'fkrull/deadsnakes' not found (use --lo

error: ppa 'fkrull/deadsnakes' not found (use --login if private)


sudo add-apt-repository ppa:fkrull/deadsnakes
sudo apt-get update
sudo apt-get install python3.6
python --version
sudo apt-get install python3-pip #装pip3

调整python3的优先级,使得3.6优先级高于3.5

sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.5 1

sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 2

问题:ModuleNotFoundError: No module named 'gdbm‘

sudo apt-get install pyhton3.6-gdbm

pip问题:

首先查看版本 pip -V 指向3.5

sudo apt-get remove python3-pip

sudo apt-get install python3-pip

pyhton3.6 -m pip install --upgrade pip

遇到问题

错误1:
File "/usr/local/bin/pip“,line 6, in
from pip._internal.cli.main import main
错误2:
File “/usr/local/bin/pip”, line 6, in
from pip._internal import main

解决:

wget https://bootstrap.pypa.io/pip/3.6/get-pip.py

python3 get-pip.py


 

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