Github user Leemoonsoo commented on the issue:
https://github.com/apache/zeppelin/pull/2052
CI failure doesn't look related, but to make sure, could you try restart
failed job https://travis-ci.org/astroshim/zeppelin/jobs/203861608 again?
Once failed job becomes green, you can re-trigger Jenkins (close/open PR),
then pullrequest build status will become a green.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
