Looks like it went without error
pi@hassbian:~ $ sudo chown -R homeassistant:homeassistant /srv/homeassistant/lib/python3.4/site-packages/python_openzwave/
pi@hassbian:~ $ hassctl stop pi@hassbian:~ $ sudo -u homeassistant -H /bin/bash
homeassistant@hassbian:/home/pi $ source /srv/homeassistant/bin/activate
(homeassistant) homeassistant@hassbian:/home/pi $ pip3 uninstall python_openzwave
Cannot uninstall requirement python-openzwave, not installed
(homeassistant) homeassistant@hassbian:/home/pi $ pip3 install python_openzwave --install-option="--flavor=ozwdev"
/srv/homeassistant/lib/python3.4/site-packages/pip/commands/install.py:194: UserWarning: Disabling all use of wheels due to the use of --build-options / --global-options / --install-options.
cmdoptions.check_install_build_global(options)
Collecting python_openzwave
Using cached python_openzwave-0.4.0.35.zip
Requirement already satisfied: six in /srv/homeassistant/lib/python3.4/site-packages (from python_openzwave)
Requirement already satisfied: PyDispatcher>=2.0.5 in /srv/homeassistant/lib/python3.4/site-packages (from python_openzwave)
Installing collected packages: python-openzwave
Running setup.py install for python-openzwave ... done
Successfully installed python-openzwave-0.4.0.35
(homeassistant) homeassistant@hassbian:/home/pi $ deactivate
homeassistant@hassbian:/home/pi $ exit
exit
Ran without errors, even after restarting hass 3 times still getting 66 error. I hope that not the same as order 66.