pip install pyinstaller (安裝過程報錯解決)

安裝目標：pip install pyinstaller 

報錯內容：

WARNING: You are using pip version 19.2.3, however version 20.0.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

解決方法：

運行--->cmd

使用 python -m pip install -U --force-reinstall pip 升級成功

Successfully installed pip-20.0.2

 

接下來又報錯了 pip install pyinstaller  報錯內容： time out 

解決方法：  pip --default-timeout=100 install -U pyinstaller

Successfully built pyinstaller
Installing collected packages: altgraph, pywin32-ctypes, future, pefile, pyinstaller