$ ./setup.sh
which: no python3.9 in (/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/elon/.local/bin:/home/elon/.local/bin)
which: no python3.8 in (/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/elon/.local/bin:/home/elon/.local/bin)
tordl requires Python 3.8 or higher.
Please install it (on debian based systems: $ sudo apt-get install python3.8)
$ python --version
Python 3.10.0