In googleapis/python-ndb#949 and googleapis/python-datastore#525, I've added the owlbot:run label but it is not triggering owlbot to run.

It also appears to be stuck in other repositories. The first 19 pages of the results show PRs which still have the owlbot:run label which were opened in the last 24 hours.

https://github.com/search?q=org%3Agoogleapis+is%3Apr+is%3Aunmerged++is%3Aopen+label%3A%22owlbot%3Arun%22&type=pullrequests&s=created&o=desc&p=19