Fix prediction fails with MOO ensemble and dummy is best#1518

eddiebergman merged 7 commits intodevelopmentautoml/auto-sklearn:developmentfrom

1495-predict-can-fail-when-dummy-model-is-best-with-new-moo-updatesautoml/auto-sklearn:1495-predict-can-fail-when-dummy-model-is-best-with-new-moo-updatesCopy head branch name to clipboard