This release uses the Mido python library for OS independent IO and efficiency, replacing the MIDI in and out CHOPs, and chops-based systems.
Mido must be installed to use the play_with_mido or the midi_input nodes. See
https://www.youtube.com/watch?v=cIEN50WuPoc
curl https://bootstrap.pypa.io/get-pip.py -o C:/TEMP/get-pip.py
hython C:/TEMP/get-pip.py
hython -m pip install mido
hython -m pip install python-rtmidi
For how to install external libraries.