Adrian Klaver <adrian.klaver@aklaver.com> writes:
> In that vein the OP could run:
> DO $$
> import sys
> plpy.notice(sys.version)
> $$ LANGUAGE plpython3u;
> in the database to see what plpython3u is actually pointing at?
+1 ... looking at sys.path in the same way would also be useful.
regards, tom lane