Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> writes:
> What happens if you run the function below directly in psql and not
> through the trigger?
exactly the same error.
> Do you have both Python 2 and Python 3 on this machine?
I have both.
> Did you create both the 2u and 3u variants of plpythonu?
I tried both... in my system (archlinux) there is plpython2u and
plpythonu. I think the 2nd one is python3.