Installation failed PyInstaller

pip install PyInstaller

Error:

 

 After running:

Installation specify the installation source:

pip3 install pyinstaller -i https://pypi.doubanio.com/simple

Successful installation

Or you can try this

Modify the timeout: 

pip --default-timeout=1000 install -U pip

 

 

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Origin www.cnblogs.com/pfeiliu/p/11992951.html