<del>  $ sudo pip install pyosc</del>\\
$ wget
$ tar -xvf pyOSC-0.3.5b-5294.tar.gz
$ cd pyOSC-0.3.5b-5294/
$ sudo ./ install

simple server skript

reacting on some OSC messages, complete with a PD patch to try, fixed IP Address for now, replace it with the IP Address of the Raspi

Python OSC

An other possibility would have been the Python OSC. It just runs with Python3.