Github user necosta commented on the issue: https://github.com/apache/zeppelin/pull/2397 @felixcheung LG, but this is a fair bit more than ensure open stream is closed, so leave for other people to comment... I agree. This whole class is very new and work-in-progress. I'm using it and testing it in detail so trying to get out a more stable version. Just as a note, I pushed and reverted a commit on a bit of code that confused me. Looks that the npm package always needs to have root folder name "package". I'm keeping that logic.
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