Github user echarles commented on the issue:
https://github.com/apache/zeppelin/pull/2637
@matyix There is a long history in Zeppelin on `spark.dep` vs `external
dependency in interpreter settings`. I am fan of the later (interpreter
settings), so if the --packages flag can make it work, this would be wonderful.
I don't see in Spark doc that --package add the jars on the executor
classpath.
The `spark.jars` property (Comma-separated list of local jars to include
on the driver and executor classpaths) may be an alternative.
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