Github user Leemoonsoo commented on the issue:
https://github.com/apache/zeppelin/pull/747
Looks like there were some network problem on last CI bulid. Could you
trigger ci once again and see if it goes to 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.
---
