Call build ext
building '_jpype' extension
error: Microsoft Visual C++ 14.0 is required. Get it with "Build Tools for Visual Studio": https://visualstudio.microsoft.com/downloads/
WARNING: You are using pip version 20.1.1; however, version 20.2.1 is available.
You should consider upgrading via the 'c:\users\cheng.tang\appdata\local\programs\python\python38-32\python.exe -m pip install --upgrade pip' command.
C:\Users\cheng.tang>
C:\Users\cheng.tang>python -m pip install --upgrade pip
Collecting pip
Downloading pip-20.2.1-py2.py3-none-any.whl (1.5 MB)
|████████████████████████████████| 1.5 MB 819 kB/s
Installing collected packages: pip
Attempting uninstall: pip
Found existing installation: pip 20.1.1
Uninstalling pip-20.1.1:
Successfully uninstalled pip-20.1.1
Successfully installed pip-20.2.1