$ which -a python3
/Library/Frameworks/Python.framework/Versions/3.13/bin/python3
/usr/local/bin/python3
/opt/homebrew/bin/python3
/usr/local/bin/python3
/usr/bin/python3
$ type -a python3
python3 is /Library/Frameworks/Python.framework/Versions/3.13/bin/python3
python3 is /usr/local/bin/python3
python3 is /opt/homebrew/bin/python3
python3 is /usr/local/bin/python3
python3 is /usr/bin/python3
Problem was already here: Libcppyy_backend.so: cannot open shared object file: No such file or directory - #9 by StephanH
Python interpreter is always the official one: /Library/Frameworks/Python.framework/Versions/3.13/bin/python3