To install py310-octave_kernel, run the following command in macOS terminal (Applications->Utilities->Terminal)
sudo port install py310-octave_kernel
To see what files were installed by py310-octave_kernel, run:
port contents py310-octave_kernel
To later upgrade py310-octave_kernel, run:
sudo port selfupdate && sudo port upgrade py310-octave_kernel
Reporting an issue on MacPorts Trac
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