I will open a topic here to record some of the problems encountered in the process of using Python, and the solutions.
Continually updated……
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pip problem
In the process of using Python, many problems are caused by pip. ImportError: No module named packaging.version may also occur after pip update.
Solution: re-download pip installation
wget https://bootstrap.pypa.io/get-pip.py
sudo python get-pip.py
pip install is slow
Solution: Use the domestic mirror source
pypi mirror to synchronize every 5 minutes.
- temporary use
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple some-package
Note that simple cannot be less, it is https instead of http
- Set as default
Upgrade pip to the latest version (>=10.0.0) and configure:
pip install pip -U
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple