Github user zjffdu commented on the issue:
https://github.com/apache/zeppelin/pull/2993
Thanks @felixcheung . I still think it is better to remove it. As it is
difficult to deprecate this and let users to aware of that. Zeppelin is a
notebook instead of library. If we don't remove it and just deprecate it in
documentation, I believe most of users won't be know that and would continue to
use it and may ask question in user mail list why they hit python version
mismatch issue between driver and executors.
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