build(python): exit with success status if no samples found#115

gcf-owl-bot[bot] wants to merge 5 commits intomastergoogleapis/python-cloud-core:masterfrom

owl-bot-update-lock-e1793a23ae0ee9aafb2e3a53b564a351f74790dbe3c2d75f8fc3b8c43e5c036cgoogleapis/python-cloud-core:owl-bot-update-lock-e1793a23ae0ee9aafb2e3a53b564a351f74790dbe3c2d75f8fc3b8c43e5c036cCopy head branch name to clipboard