The PG16→17 and PG17→18 nightly cassert pg-upgrade jobs fail before testing because `docopt` is unavailable. - Install the locked Pipenv environment in `src/test/regress`. - Run both pg-upgrade variants through `pipenv run`. - Validate both upgrade pairs.
The PG16→17 and PG17→18 nightly cassert pg-upgrade jobs fail before testing because
docoptis unavailable.src/test/regress.pipenv run.