SyntaxError: from simple python example file from mind-monitor code (muse 2)

[snippsat]

You are running Python 2 which is 💀
Need to use Python 3 try with:

python3 OSC-Receiver-Simple.py

and I already have that pip and done the pip install python-osc

You may need to use pip3 test with pip -V and pip3 -V.
Look at The right and wrong way to set Python 3 as default on a Mac.